Hasanah M, Fitria Y. Pengaruh Model Problem Based Learning Terhadap Kemampuan Kognitif IPA pada Pembelajaran Tematik Terpadu. basicedu [Internet]. 2021 May 7 [cited 2024 Jul. 22];5(3):1509-17. Available from: https://jbasic.org/index.php/basicedu/article/view/968