Yulius Dani Eko Saputro, and Stephanus Surijadarma Tandjung. “Design and Implementation of Reading and Counting Learning Application for Early Childhood on Android Platform”. Prosiding Seminar Nasional Teknoka, vol. 8, Dec. 2023, pp. 51-60, https://journal.uhamka.ac.id/index.php/teknoka/article/view/13941.