“ANALYSIS OF CASE MANAGER FUNCTIONS IN IMPROVING QUALITY CONTROL AND COST CONTROL OF INPATIENT (CASE STUDY) AT GRANDMED HOSPITAL LUBUK PAKAM”. 2023. JURNAL KESMAS DAN GIZI (JKG) 6 (1): 15-22. https://doi.org/10.35451/jkg.v6i1.1783.