Simatupang, Nurhenti Dorlina, Sefy Amaliatus Sholichah, and Irena Agatha Simanjuntak. “Introduction to Counting Symbols in Early Childhood With Stick Math (STIKMA) Educational Tool Games ”. JPUD - Jurnal Pendidikan Usia Dini 17, no. 2 (November 30, 2023): 297–311. Accessed November 22, 2024. https://journal.unj.ac.id/unj/index.php/jpud/article/view/38355.