Indayani W., Gitta. “PENGARUH ETIKA DAN PENAMPILAN PEGAWAI HOTEL TERHADAP PENINGKATAN MUTU PELAYANAN PADA HOTEL GUNAWANGSA MERR: (Studi Kasus Hotel Gunawangsa Merr Surabaya)”. JOURNAL OF ECONOMICS, BUSINESS, MANAGEMENT, ACCOUNTING AND SOCIAL SCIENCES 2, no. 2 (February 17, 2024): 91–94. Accessed October 19, 2026. http://putrajawa.co.id/ojs/index.php/jebmass/article/view/116.