Sa’idah A, Choirulhuda, Khumaidi. 181. Peningkatan Keaktifan Belajar Melalui Penerapan Model Problem Based Learning Tema 7 SD Negeri 1 Bugo. psnppg [Internet]. 2023 Jul. 3 [cited 2025 Dec. 5];1(1):1630-7. Available from: https://conference.upgris.ac.id/index.php/psnppg/article/view/4095