Putri, A. R.; Desyandri; Ahmad, S.; J, F. Y.; AD, R.; Ernawati. Development of Ebook Teaching Materials Based on the PBL Model Assisted by the Kvisoft Flibbook Maker Application in Class IV Elementary Schools. jppipa, pendidikan ipa, fisika, biologi, kimia 2024, 10, 7541-7547.