Lidia Nusir, Tria Marini, and Misbah Laila. “The Effect of the Busy Book on the Development of Fine Motor Skills in Children Aged 4–6 Years in Preschool”. Bunayya: Journal of Islamic Early Childhood Education, vol. 2, no. 1, Apr. 2026, pp. 33-40, https://e-journal.stai-ydi.ac.id/index.php/bujiced/article/view/997.