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