Chuing, Sia Siew, and Faridah Mydin Kutty. “The Effectiveness of Implementing a Token Economy System in Reducing Disruptive Behavior Among Preschool Students”. International Journal of Academic Research in Progressive Education and Development 14, no. 1 (March 7, 2025): 1812–1828. Accessed August 1, 2025. https://ijarped.com/index.php/journal/article/view/3443.