Tambunan, Ivan Benedict. “TINJAUAN TENTANG KEPUASAN TAMU TERHADAP PELAYANAN PRAMUSAJI RESTORAN ASTRO HOTEL GRAND ANTARES INDONESIA DI MEDAN”. Jurnal Ilmiah Akomodasi Agung 8, no. 2 (October 30, 2021): 17-20. Accessed March 14, 2025. https://journal.akpardarmaagung.ac.id/index.php/JIAA/article/view/70.