Gurning, F.P. et al. 2026. ANALYSIS OF FACTORS RELATED TO OUTPATIENT WAITING TIME AND PATIENT SATISFACTION OF MOBILE JKN USERS USING THE SERVPERF AND IPA METHODS AT MUHAMMADIYAH GENERAL HOSPITAL, NORTH SUMATRA. HEARTY. 14, 3 (Jun. 2026), 651–657. DOI:https://doi.org/10.32832/hearty.v14i3.22263.