Walfajri RU, Harjono N. PENINGKATAN KEMAMPUAN BERPIKIR KRITIS DAN HASIL BELAJAR TEMATIK MUATAN IPA MELALUI MODEL PROBLEM BASED LEARNING KELAS 5 SD. basicedu [Internet]. 2019 Apr. 29 [cited 2024 Jul. 22];3(1):16-20. Available from: https://jbasic.org/index.php/basicedu/article/view/72