Aris Handiyoko Sibuea, Endang Sulistya Rini, Linda Trimurni Maas. IMPLEMENTATION OF QUALITY FUNCTION DEPLOYMENT ANALYSIS BY ADOPTING IN SERVICE QUALITY METHODS EFFORTS TO IMPROVE SERVICE QUALITY AT UPT. RUMAH SAKIT KHUSUS MATA IN NORTH SUMATRA PROVINCE. IJSET [Internet]. 2023 Jul. 16 [cited 2026 Aug. 23];2(8):368-77. Available from: https://ijset.org/index.php/ijset/article/view/192