ALFARES, N. . The Effect of Problem-Based Learning on Students Problem-Solving Self-Efficacy Through Blackboard System in Higher Education. International Journal of Education and Practice, [S. l.], v. 9, n. 1, p. 185–200, 2021. DOI: 10.18488/journal.61.2021.91.185.200. Disponível em: https://archive.conscientiabeam.com/index.php/61/article/view/700. Acesso em: 18 may. 2024.