Khuzaimah AU, Amin BD, Arafah K. Physics Problem Based E-Module Development to Improve Student’s Physics Concept Understanding. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2022 Oct. 31 [cited 2024 Jul. 4];8(4):2095-101. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/2009