Duwi Meilina. “Improving Ability to Recognize Hijaiyah Letters through Flash Cards in Early Childhood”. Journal of Childhood Development 2, no. 2 (September 30, 2022): 149–161. Accessed August 1, 2025. https://journal.iaimnumetrolampung.ac.id/index.php/jcd/article/view/3880.