OGUNSOLA, Obaseye A.; ADELANA, Owolabi Paul; ADEWALE, Kayode 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: 8 apr. 2025.