Ridho, M., Ramdhan Witarsa, Musnar Indra Daulay, Nurhaswinda Nurhaswinda, and Putri Hana Pebriana. “Improving Mastery of Science Concepts Using Problem Based Learning Models in Class V in Elementary School”. Edumaspul: Jurnal Pendidikan 6, no. 2 (October 1, 2022): 3193-3202. Accessed November 21, 2024. https://ummaspul.e-journal.id/maspuljr/article/view/5002.