Hidayatul Umah, Restu Yulia. “Gadget Dan Speech Delay: Kajian Perkembangan Kemampuan Berbahasa Anak”. Indonesian Journal of Islamic Early Childhood Education 2, no. 2 (March 17, 2018): 235–242. Accessed April 3, 2025. https://jurnal.piaud.org/index.php/Ijiece/article/view/88.