Tarigan, Nirwaty. “PENGARUH KEBERADAAN OYO DAN REDDOORZ TERHADAP OCCUPANCY HOTEL HARPER WAHID HASYIM MEDAN”. Jurnal Ilmiah Akomodasi Agung 8, no. 1 (April 21, 2021). Accessed December 21, 2024. https://journal.akpardarmaagung.ac.id/index.php/JIAA/article/view/58.