Riris, R. W., H. A. Putri, and D. Ariani. “Application of Pop Up Book Media to Introduce Hijaiyah Basic Letters for Children Aged 4-5 Years”. JOYCED: Journal of Early Childhood Education, vol. 5, no. 1, June 2025, pp. 120-32, doi:10.14421/joyced.2025.51-11.