Ristiyati, Ristiyati, Ika Maryani, and Suyatno Suyatno. “Differentiated Instruction in Indonesian Private Kindergartens: Challenges in Implementing an Independent Curriculum”. International Journal of Educational Management and Innovation 4, no. 3 (October 13, 2023): 209–223. Accessed April 12, 2025. http://journal2.uad.ac.id/index.php/ijemi/article/view/8967.