Nisa H, Setiawan D, Waluyo E. Bagaimana model problem based-learning dapat meningkatkan hasil belajar siswa sekolah dasar?. JPTK [Internet]. 2023 Sep. 20 [cited 2026 May 7];1(2):70-5. Available from: https://journal.assyfa.com/index.php/jptk/article/view/145