Darmaji D, Astalini A, Kurniawan DA, Putri FI, Perdana R, Fuldiaratman F. Student’s need analysis in using ordinary differential equation e-module of Mathematical Physics II . Momentum: Physics Education Journal [Internet]. 2023 Jan. 31 [cited 2024 May 17];7(1):107-15. Available from: https://ejournal.unikama.ac.id/index.php/momentum/article/view/7092