AFIFULLAH, Muhammad Yusuf. Improving Students’ Learning Achievement Using the Problem-Based Learning (PBL) Model with a Culturally Responsive Teaching (CRT) Approach. Pyramid: Journal of Mathematical Sciences, [S. l.], v. 1, n. 1, p. 25–30, 2026. Disponível em: https://www.publikasi.abidan.org/index.php/pyramid/article/view/1725. Acesso em: 20 apr. 2026.