ISMAIL, S. S. . Barriers Towards the Implementation of E-portfolio in Education Based on the Diffusion of Innovation Theory. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 22, n. 4, p. 512–540, 2023. Disponível em: https://www.ijlter.myres.net/index.php/ijlter/article/view/1601. Acesso em: 7 may. 2026.