Susanti D, Sari LY, Fitriani V. Increasing Student Learning Motivation through the Use of Interactive Digital Books Based on Project Based Learning (PjBL). jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2022 Oct. 31 [cited 2024 Nov. 22];8(4):1730-5. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/1669