Nasution, M. L., W. Daulay, and S. E. Wahyuni. “Implementation of Behavioral Therapy (Economic Token) on the Ability of People With Mental Disorders in Fulfilling Self-Cleaning (Personal Hygiene) in Medan Sunggal Subdistrict”. Open Access Macedonian Journal of Medical Sciences, vol. 9, no. T3, May 2021, pp. 84-86, doi:10.3889/oamjms.2021.6307.