Ishauri M, Hasibuan AM, Wanhar FA. Pengaruh Model Problem Based Learning Terhadap Kemampuan Berfikir Kritis Materi Bilangan Pecahan . JKPM [Internet]. 2025 Nov. 26 [cited 2025 Dec. 16];4(3):255-63. Available from: https://www.ejurnal.univamedan.ac.id/index.php/jkpm/article/view/1062