Sari, Novi Engla, and Dadan Suryana. “Thematic Pop-Up Book As a Learning Media for Early Childhood Language Development”. Jurnal Pendidikan Usia Dini 13, no. 1 (April 30, 2019): 43 - 57. Accessed June 23, 2024. https://journal.unj.ac.id/unj/index.php/jpud/article/view/10379.