Umiarso, Umiarso, Hasan Baharun, Zamroni Zamroni, Fathor Rozi, and Nurul Hidayati. “Improving Children’s Cognitive Intelligence Through Literacy Management”. Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini 6, no. 3 (October 7, 2021): 1588–1598. Accessed April 20, 2026. https://mail.obsesi.or.id/index.php/obsesi/article/view/1817.