Khairul Respaningsih, and Minsih. “Pop-up Books in The Snowball-Throwing Learning Model Compared to Fifth-Grade Students”. International Journal of Elementary Education 7, no. 1 (February 16, 2023): 54–59. Accessed April 3, 2025. https://ejournal.undiksha.ac.id./index.php/IJEE/article/view/56846.