Cordeanita, Yunisha Maria, Rusdarti Rusdarti, and Muhammad Khafid. “Effectiveness of PBL Models Assisted by Interactive Video on Problem-Solving Abilities of Elementary School Students”. Journal of Primary Education 8, no. 6 (August 14, 2019): 260-268. Accessed November 14, 2024. https://journal.unnes.ac.id/sju/jpe/article/view/32801.