Rahmana, Fiki, Susilawati Susilawati, and Kosim Kosim. 2021. “The Effectiveness of Video-Assisted Problem-Based Physics Learning Devices to Improve Students’ Problem-Solving Ability on Elasticity Materials”. Jurnal Penelitian Pendidikan IPA 7 (SpecialIssue):326-30. https://doi.org/10.29303/jppipa.v7iSpecialIssue.1237.