CASTAÑÓN OCTAVIO, Natalia. Elements that motivate users to obtain certification of "online courses" in Higher Education. Revista de Ciencias de la Comunicación e Información, Madrid, v. 23, n. 1, p. 1–14, 2018. DOI: 10.35742/rcci.2018.23(1).1-14. Disponível em: https://www.revistaccinformacion.net/index.php/rcci/article/view/87. Acesso em: 13 nov. 2026.