Dwi Setyono Putro, Alexander, Titik Akiriningsih, and Kris Cahyani Ermawati. “Efisiensi Program Aplikasi Opera Terhadap Produktivitas Departemen Front Office Di Montigo Resort Nongsa”. Jurnal Pariwisata Indonesia 15, no. 2 (July 1, 2020): 15–23. Accessed December 19, 2024. http://jurnal.stpsahidsurakarta.ac.id/index.php/JPI/article/view/153.