OGUNSOLA, O. A.; ADELANA, O. P.; ADEWALE, K. A. Effect of Problem-Based Learning Approach on Students’ Academic Performance in Senior Secondary Mathematics. Journal of Science and Mathematics Letters, [S. l.], v. 9, n. 2, p. 75–85, 2021. DOI: 10.37134/jsml.vol9.2.8.2021. Disponível em: https://ejournal.upsi.edu.my/index.php/JSML/article/view/5261. Acesso em: 21 nov. 2024.