Afrida Ermawati, Eka, Esa Riandy Cardias, and Dony Sedyo Prakoso. “Implikasi Kualitas Pelayan Guest Relation Officer (GRO) Dalam Meningkatkan Kepuasan Tamu Di Sheraton Surabaya Hotel & Towers”. Sadar Wisata: Jurnal Pariwisata 7, no. 2 (December 23, 2024): 52–69. Accessed March 14, 2025. http://ejurnal.unmuhjember.ac.id/index.php/wisata/article/view/1778.