Nugraheni I, Soleha VS, Widodo ST, Suparno S. Penerapan Model PBL Berbasis Pop UP Book pada Pembelajaran PKn di Sekolah Dasar. basicedu [Internet]. 2023 Dec. 16 [cited 2025 Apr. 26];7(6):3743-52. Available from: https://www.jbasic.org/index.php/basicedu/article/view/6383