Firdaus, Wahyu Ali, and Hadi Jatmiko. “Pelayanan Lunch Oleh Waiter Dan Waitress Pada Nusantara Restaurant Di Ascent Premiere Hotel and Convention Malang”. Jurnal Pariwisata dan Perhotelan 1, no. 1 (November 1, 2023): 8. Accessed April 20, 2025. https://journal.pubmedia.id/index.php/pjpp/article/view/1893.