Maulani, Rizky Laili, and H.E.T Ruseffendi. “IMPROVING STUDENTS’ MATHEMATICAL CRITICAL THINKING ABILITY AND RESILIENCY USING PROBLEM-SOLVING APPROACH”. PRISMA 8, no. 1 (July 15, 2019): 25–35. Accessed April 16, 2026. https://jurnal.unsur.ac.id/index.php/prisma/article/view/379.