Aulia Eka, Aisyah, Dwi Avita, and Wahyudi. “Geometry Pop-Up Book Learning Media in Increasing Understanding of the Concept of Building Space in Students”. International Journal of Elementary Education 7, no. 4 (December 28, 2023): 742–748. Accessed December 22, 2024. https://ejournal.undiksha.ac.id/index.php/IJEE/article/view/68714.