Yermi Bryan Suwandani and Ardi Bastian 2019. 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, 1 (May 2019), 24–29. DOI:https://doi.org/10.30994/jhms.v1i1.67.