Walfajri, Ridha Unnafi, and Nyoto Harjono. “PENINGKATAN KEMAMPUAN BERPIKIR KRITIS DAN HASIL BELAJAR TEMATIK MUATAN IPA MELALUI MODEL PROBLEM BASED LEARNING KELAS 5 SD”. Jurnal Basicedu 3, no. 1 (April 29, 2019): 16–20. Accessed July 3, 2024. https://jbasic.org/index.php/basicedu/article/view/72.