Hafni F, Fakhruddin F, Yennita Y. Development of E-module of Fluid Physics Based on Problem-Based Learning (PBL) to Improve Motivation and Learning Outcomes of Grade XI Students of SMAN 4 Bagan Sinembah. JES [Internet]. 2025 Jul. 5 [cited 2026 May 12];9(4):1814-30. Available from: https://jes.ejournal.unri.ac.id/index.php/JES/article/view/425