RELEVANSI PROBLEM-BASED LEARNING SEBAGAI BASIS FILOSOFIS DALAM PENGEMBANGAN BERPIKIR KRITIS ABAD 21. Ahsani Taqwim [Internet]. 2025 Oct. 17 [cited 2026 Jan. 12];2(3):610-26. Available from: https://ejournal.yayasanbhz.org/index.php/AhsaniTaqwim/article/view/433