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Analisa Pengaruh SOP ( Standard Operating Procedure ) Terhadap Kinerja Waiter Dan Waitress Di In Bloom Restoran Hotel Ayaartta Malioboro Yogyakarta, Indonesia. Journal of Tourism and Economic [Internet]. 2021 Jun. 30 [cited 2025 Oct. 11];4(1):73-84. Available from: https://jurnal.stieparapi.ac.id/index.php/jtec/article/view/119