Meningkatkan Kemampuan Berpikir Kritis Siswa Kelas X di SMA Swasta Bukambero pada Materi Sistem Persamaan Linear Dua Variabel dengan Model Pembelajaran Problem Based Learning. Indo-MathEdu Intellectuals Journal, [S. l.], v. 6, n. 6, p. 9681–9688, 2025. DOI: 10.54373/imeij.v6i6.4263. Disponível em: https://ejournal.indo-intellectual.id/index.php/imeij/article/view/4263. Acesso em: 19 jun. 2026.