Suryawan, I Putu Pasek, Putu Kerti Nitiasih, Putu Nanci Riastini, and I Gusti Putu Sudiarta. “Controversial Mathematical Issues : Problem Based Learning on Critical Thinking”. Jurnal Kependidikan: Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran dan Pembelajaran 9, no. 3 (September 16, 2023): 808–821. Accessed August 15, 2025. https://e-journal3.undikma.ac.id/index.php/jurnalkependidikan/article/view/8210.