Alfiyah, Umi, Nurul Istiq’faroh, Heru Subrata, and Budi Purwoko. “Pop-Up Book Learning Media in Optimizing Speaking Skills in Elementary School: A Systematic Literature Review”. Journal of Innovation and Research in Primary Education 4, no. 3 (July 26, 2025): 866–874. Accessed January 21, 2026. https://ejournal.papanda.org/index.php/jirpe/article/view/1458.