Yermi Bryan Suwandani, and Ardi Bastian. “Effectiveness of Implementing a Directing Flow System in Increasing the Number of Clinic Visitors UPT Lab. Herbal Materia Medica Batu”. Journal of Hospital Management and Services 1, no. 1 (May 17, 2019): 24–29. Accessed September 13, 2025. http://www.thejhms.org/index.php/JHMS/article/view/67.