I Dewa Ayu Made Parimita Dewi, and Gede Wira Bayu. “E-Book Berbasis Problem Based Learning Materi Bangun Ruang Muatan Matematika Kelas VI SD”. Jurnal Edutech Undiksha 10, no. 2 (December 14, 2022): 353–363. Accessed November 29, 2024. https://ejournal.undiksha.ac.id/index.php/JEU/article/view/48606.