ISA, N. J. M. .; JUSOH, A. J. .; RAZALI, M. M. S. M. . Problem-Based Learning: Mandatory Personal Qualities of Effective Facilitators. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 13, n. 2, p. 88–96, 2015. Disponível em: http://www.ijlter.net/index.php/ijlter/article/view/1029. Acesso em: 28 oct. 2026.