HANIFAH, U.; SUMARMAN, S. Peranan Guest Relation Officer (GRO) Dalam Menangani Keluhan Tamu di Hotel Royal Ambarrukmo Yogyakarta. Jurnal Pariwisata Indonesia, [S. l.], v. 9, n. 2, p. 60–81, 2014. Disponível em: http://jurnal.stpsahidsurakarta.ac.id/index.php/JPI/article/view/182. Acesso em: 18 dec. 2024.