Irsala H. Pengaruh Worksheet Room Attendant Dan Penerapan Standard Operational Procedure Order Taker Terhadap Kelancaran Operasional Housekeeping Pada Grand City Hall Hotel & Serviced Residences Medan. JOM [Internet]. 2022 Sep. 29 [cited 2024 Apr. 27];1(1):141-50. Available from: http://jom.poltekparmedan.ac.id/index.php/jomph/article/view/56