Kusumawati, Fitri. “Tren Virtual Hotel Operator (VHO) Di Yogyakarta: Studi Kasus Hotel Oyo”. Media Wisata 18, no. 1 (May 28, 2021): 90–100. Accessed May 5, 2024. http://jurnal.ampta.ac.id/index.php/MWS/article/view/80.