Mellarisca Nadya Nur Rosena, Andi Hallang Lewa. Efforts Of Guest Relations Officer Of Hotel Tentrem Semarang In Handling Guest Complaints. ijellacush [Internet]. 2023 Aug. 23 [cited 2024 Jul. 7];1(3):52-61. Available from: https://pbsi-upr.id/index.php/ijellacush/article/view/303