HAFIZ, Muhammad; ASMAR, Ali; YERIZON, Yerizon. The Effect of Problem Centered Learning (PCL) Approach to Critical Thinking Skills of Class XI MAS Tanah Datar District. Jurnal Pendidikan Matematika RAFA, [S. l.], v. 6, n. 1, p. 1–14, 2020. DOI: 10.19109/jpmrafa.v6i1.4579. Disponível em: https://jurnal.radenfatah.ac.id/index.php/jpmrafa/article/view/4579.. Acesso em: 2 may. 2025.