Yudistira, I Gusti Ngurah Bagas, Made Arya Astina, and M. Hum. 2025. “Penerapan Standard Operating Procedure Room Service Di Mandapa a Ritz-Carlton Reserve”. Jurnal Studi Perhotelan Dan Pariwisata 2 (2):87-97. https://doi.org/10.35912/jspp.v2i2.3248.