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Windy Stevani Siahaan, Dendi Gusnadi. Implementasi Standar Operasional Prosedur Telepon Operator di Sheraton Hotel Bandung. EJKEBI [Internet]. 2024 Sep. 2 [cited 2026 May 31];5(9):4077 -. Available from: https://journal-laaroiba.com/ojs/index.php/elmal/article/view/4255