Hutabarat, Kinanti Anggia Nauli. “The Economic Tokens to Improve Compliance Behavior in Children With Intellectual Disabilities”. Procedia : Studi Kasus dan Intervensi Psikologi 13, no. 2 (June 30, 2025): 159–167. Accessed June 7, 2026. https://ejournal.umm.ac.id/index.php/procedia/article/view/37139.