Kusrini, Eni, Siti Kholifah, and Ibnu Sina. “Implementasi Permainan Puzzle Angka Untuk Perkembangan Kognitif Anak Usia 4-5 Tahun”. Southeast Asian Journal of Technology and Science 6, no. 1 (November 26, 2025): 70–75. Accessed April 26, 2026. https://jurnal.iicet.org/index.php/sajts/article/view/6310.