Hidayati, Nurul, Sri Handayani, and Nurul Khotimah. “Penerapan Media Seluncuran Kelereng Terhadap Kemampuan Berhitung Anak Usia Dini”. Journal of Education Research 4, no. 2 (June 29, 2023): 844–855. Accessed July 9, 2025. https://www.jer.or.id/index.php/jer/article/view/270.