Oktaviani W, Solang M, Latjompoh M. Development of Flipbook-Type E-Modules Based on Stunting Case Studies to Improve Concept Mastery on Digestive System Materials. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2023 May 31 [cited 2024 Nov. 22];9(5):2580-9. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/3352