Revistas electrónicas
Vol. 65, No. 5 noviembre-diciembre 2023
https://biblio.udb.edu.sv/biblioteca/contenido/pdf/ca/22-2023.pdf
Vol. 65, No. 4 septiembre-octubre 2023
https://biblio.udb.edu.sv/biblioteca/contenido/pdf/ca/21-2023.pdf?_t=1691698871
Revista Estrategia & Negocios
https://biblio.udb.edu.sv/biblioteca/wp-content/uploads/2024/02/logo_EN.png https://issuu.com/estrategiaynegocios?utm_medium=referral&utm_source=www.revistaeyn.com
Vol. 65, No. 3 julio-agosto 2023
https://biblio.udb.edu.sv/biblioteca/contenido/pdf/ca/20_2023.pdf?_t=1691698871
Vol. 65, No. 2 mayo-junio 2023
https://biblio.udb.edu.sv/biblioteca/contenido/pdf/ca/19_2023.pdf?_t=1691697780
Redalyc
https://www.redalyc.org/ https://biblio.udb.edu.sv/biblioteca/wp-content/uploads/2023/04/Redalyc.png
Boletín Salesiano
https://www.boletinsalesiano.info/archivo-boletin https://biblio.udb.edu.sv/biblioteca/wp-content/uploads/2023/02/logo_boletin_salesiano.png
IEEE OPEN
https://ieeexplore.ieee.org/browse/periodicals/title?returnType=SEARCH&showActiveTitlesOnly=true&fullOA=true/ https://biblio.udb.edu.sv/biblioteca/wp-content/uploads/2021/09/58.jpg
Springer Open
https://www.springeropen.com/journals https://biblio.udb.edu.sv/biblioteca/wp-content/uploads/2021/06/38.jpg
Scientific Electronic Library Online
https://scielo.org/ https://biblio.udb.edu.sv/biblioteca/wp-content/uploads/2021/06/37.jpg
Revista Iberoamericana de Educación Superior
https://www.ries.universia.unam.mx/index.php/ries/issue/archive https://biblio.udb.edu.sv/biblioteca/wp-content/uploads/2021/06/36.jpg
Revista Iberoamericana de Educación
https://rieoei.org/RIE https://biblio.udb.edu.sv/biblioteca/wp-content/uploads/2021/06/35.jpg
Public Library of Science
https://www.plos.org/abou https://biblio.udb.edu.sv/biblioteca/wp-content/uploads/2021/06/34.jpg
Medigraphic
https://www.medigraphic.com/cgi-bin/new/medigraphic.cgi https://biblio.udb.edu.sv/biblioteca/wp-content/uploads/2021/06/33.jpg
Directory of Open Access Books
https://doaj.org/ https://biblio.udb.edu.sv/biblioteca/wp-content/uploads/2021/06/32.jpg
Central American Journals Online
https://www.camjol.info/ https://biblio.udb.edu.sv/biblioteca/wp-content/uploads/2022/10/Logo_CAMJOL_CBUES.png
Case Report in Orthopedic Research
https://www.karger.com/Journal/Home/261897 https://biblio.udb.edu.sv/biblioteca/wp-content/uploads/2021/06/30.jpg
Betham Open
https://benthamopen.com/browse-by-title/A/1/ https://biblio.udb.edu.sv/biblioteca/wp-content/uploads/2021/06/29.jpg
Cambridge University Press
https://www.cambridge.org/core/publications/open-access https://biblio.udb.edu.sv/biblioteca/wp-content/uploads/2021/06/18.jpg
