Sari, A.M., Sari, A.M. and Widayanti 2023. Pengaruh Penggunaan Alat Permainan Edukatif (Ape) Bianglala Terhadap Kemampuan Mengenal Lambang Bilangan pada Anak Kelompok A di TK Mekar Sari Surabaya: The Effect of Using Educational Game Tools (Ape) Ferris Wheel On The Ability To Recognize Number Symbols In Group A Children At Mekar Sari Kindergarten In Surabaya. Indonesian Journal of Early Childhood: Jurnal Dunia Anak Usia Dini. 5, 2 (Jul. 2023), 382–388. DOI:https://doi.org/10.35473/ijec.v5i1.2385.