Hardiantiningsih, Istiningsih S, Hasnawati. Pengaruh Model Pembelajaran Problem Based Learning (Pbl) Terhadap Kemampuan Berpikir Kritis Siswa . jcar [Internet]. 2023 May 25 [cited 2024 Jul. 22];5(2):297-303. Available from: https://jppipa.unram.ac.id/index.php/jcar/article/view/3737