Fitri Yanti, Andi Josep and Viki Nora Wati Sijabat 2023. Analysis Of Waiting Time For Patient Services Of Disease Polyclinic At Hkbp Balige General Hospital. International Journal of Health Engineering and Technology (IJHET). 1, 6 (Mar. 2023). DOI:https://doi.org/10.55227/ijhet.v1i6.133.