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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 Nov. 24];1(3):52-61. Available from: https://pbsi-upr.id/index.php/ijellacush/article/view/303