Putri, Febby Ayuni Esya, Syaiful Syaiful, and Jodion Siburian. “Student’s Critical Thinking Skill on Online Inquiry Learning and Problem Based Learning (PBL)”. Edumatica : Jurnal Pendidikan Matematika 11, no. 1 (April 29, 2021): 84–92. Accessed April 22, 2026. https://www.online-journal.unja.ac.id/edumatica/article/view/11458.