Archives

Revista Scientific
Vol. 9 No. Ed. Esp. 4 (2024)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); SciELO; INDEX COPERNICUS; CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 9 No. 34 (2024)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); SciELO; INDEX COPERNICUS; CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 9 No. Ed. Esp. 3 (2024)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); SciELO; INDEX COPERNICUS; CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 9 No. 33 (2024)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); SciELO; INDEX COPERNICUS; CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 9 No. Ed. Esp. 2 (2024)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); SciELO; INDEX COPERNICUS; CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 9 No. 32 (2024)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); SciELO; INDEX COPERNICUS; CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 9 No. Ed. Esp. (2024)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); SciELO; INDEX COPERNICUS; CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 9 No. 31 (2024)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); SciELO; INDEX COPERNICUS; CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 8 No. 30 (2023)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); INDEX COPERNICUS; CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 8 No. 29 (2023)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); INDEX COPERNICUS; CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 8 No. 28 (2023)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); INDEX COPERNICUS; CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 8 No. 27 (2023)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); INDEX COPERNICUS; CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 7 No. 26 (2022)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); INDEX COPERNICUS; CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 7 No. 25 (2022)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); INDEX COPERNICUS; CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 7 No. 24 (2022)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); INDEX COPERNICUS; CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 7 No. 23 (2022)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); INDEX COPERNICUS; CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 6 No. 22 (2021)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 6 No. 21 (2021)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 6 No. 20 (2021)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 6 No. 19 (2021)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); CLASE; DOAJ; DIALNET; REDIB; ERIH PLUS; REVENCYT; MIAR; OAJI; Crossref; Actualidad Iberoamericana; BASE; CLACSO-REDALYC; BIBLAT; EZB Electrocny Journals Library; ROAD; OEI-CREDI; AURA; SERIUNAM; REBIUM; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 5 No. 18 (2020)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); CLASE; DOAJ; OAJI; DIALNET; REDIB; AmeliCA; ERIH PLUS; Advanced Science Index; REVENCYT; ROAD; BASE; EZB Electrocny Journals Library; INFOBILA; MIAR; AURA; Sherpa/Romeo; Actualidad Iberoamericana; SERIUNAM; REBIUM; Crossref; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; AVED&EAD; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 5 No. Ed. Esp. (2020)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); CLASE; DOAJ; OAJI; DIALNET; REDIB; AmeliCA; ERIH PLUS; Advanced Science Index; REVENCYT; ROAD; BASE; EZB Electrocny Journals Library; INFOBILA; MIAR; AURA; Sherpa/Romeo; Actualidad Iberoamericana; SERIUNAM; REBIUM; Crossref; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; AVED&EAD; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 5 No. 17 (2020)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); CLASE; DOAJ; OAJI; DIALNET; REDIB; AmeliCA; ERIH PLUS; Advanced Science Index; REVENCYT; ROAD; BASE; EZB Electrocny Journals Library; INFOBILA; MIAR; AURA; Sherpa/Romeo; Actualidad Iberoamericana; SERIUNAM; REBIUM; Crossref; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; AVED&EAD; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 5 No. 16 (2020)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); CLASE; DOAJ; OAJI; DIALNET; REDIB; AmeliCA; ERIH PLUS; Advanced Science Index; REVENCYT; ROAD; BASE; EZB Electrocny Journals Library; INFOBILA; MIAR; AURA; Sherpa/Romeo; Actualidad Iberoamericana; SERIUNAM; REBIUM; Crossref; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; AVED&EAD; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve
Revista Scientific
Vol. 5 No. 15 (2020)

AREA: Social Sciences. DISCIPLINE: Environment, Communication, Education, Management, Information, Sociology, Technology.

e-ISSN: 2542-2987

INDEXATIONS: REDALYC; LATINDEX (Directory - Catalog v2.0); CLASE; DOAJ; OAJI; DIALNET; REDIB; REVENCYT; ROAD; BASE; EZB Electrocny Journals Library; INFOBILA; MIAR; Sherpa/Romeo; Actualidad Iberoamericana; SERIUNAM; REBIUM; Crossref; OpenAIRE; PKP Index; OCLC WorldCat; LatinREV; AVED&EAD; Google Scholar.

EDITOR INSTITUTIONAL: Instituto Internacional de Investigación y Desarrollo Tecnológico Educativo INDTEC, C.A.

OFFICIAL SITE: http://www.indteca.com - http://www.indtec.com.ve - http://www.scientific.com.ve

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