Effectiveness of the Problem-Based-Learning (PBL) Approach to Teaching and Learning in Improving Students’ Engagement in Learning Pharmacology . International Journal on Studies in Education, [S. l.], v. 8, n. 2, p. 448–464, 2026. DOI: 10.46328/ijonse.5767. Disponível em: https://ijonse.net/index.php/ijonse/article/view/5767. Acesso em: 26 may. 2026.