Asmara, Denny. 2019. “Peran Banquet Service Terhadap Tingkat Kualitas Pelayanan Tamu Di The Alana Hotel And Convention Center Surakarta”. Jurnal Pariwisata Indonesia 14 (2):1-10. http://jurnal.stpsahidsurakarta.ac.id/index.php/JPI/article/view/225.