Salma Ya Humaira. “Pengaruh Media Tangram Terhadap Kemampuan Mengenal Bentuk Geometri Anak Usia Dini”. Journal of Early Childhood Education Studies 4, no. 2 (October 17, 2024): 237–257. Accessed September 5, 2025. https://journal.stai-ypbwi.ac.id/index.php/JOECES/article/view/242.