Hafifah, Nadia Bismi, Wisman Hadi, and Mara Untung Ritonga. “Development of Pop-up Book Learning Media to Improve Student Language Skills”. Randwick International of Education and Linguistics Science Journal 4, no. 2 (June 30, 2023): 398-412. Accessed September 12, 2026. https://mail.randwickresearch.com/index.php/rielsj/article/view/716.