Sufa, Feri Faila, Gunarhadi, Muhammad Akhyar, and Munawir. “Introduce Mathematical Concepts for Early Childhood: Inhibiting and Supporting Factors through Play in Children’s Cognitive Stimulation”. International Journal of Psychosocial Rehabilitation 24, no. 7 (September 30, 2020): 8650–8656. Accessed March 24, 2026. https://psychosocial.com/index.php/ijpr/article/view/10191.