Tarigan, Agusta, Agus Subianto, Sudibyo Sudibyo, & Lunariana Lubis. " A MODEL SERVPERF IN SURGICAL TREATMENT SERVICES FOR “BPJS†NON ARMY PATIENTS AT THE NAVAL HOSPITAL DR. RAMELAN SURABAYA." JOURNAL ASRO [Online], 10.2 (2019): 92-99. Web. 3 Jul. 2024