Susilawati S, Doyan A, Rokhmat J, Gunawan G, Gunada IW, Hikmawati H. Validation of PhET-Based Core Physics Teaching Materials to Improve Activities and Learning Outcomes of Physics Education Students. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2023 May 31 [cited 2024 May 20];9(5):2715-9. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/3929