Suardana IK, NURHAYATI N. KINERJA WAITER/WAITRESS DALAM UPAYA MENINGKATKAN KUALITAS PELAYANAN (STUDI KASUS DI HOTEL SAHID RAYA YOGYAKARTA) . NUSANTARA [Internet]. 2019 Aug. 30 [cited 2024 Jul. 27];2(2):13-9. Available from: https://jurnal.akparda.ac.id/index.php/nusantara/article/view/9