TARIGAN, N. PENGARUH KEBERADAAN OYO DAN REDDOORZ TERHADAP OCCUPANCY HOTEL HARPER WAHID HASYIM MEDAN. Jurnal Ilmiah Akomodasi Agung, [S. l.], v. 8, n. 1, 2021. Disponível em: https://journal.akpardarmaagung.ac.id/index.php/JIAA/article/view/58. Acesso em: 21 jan. 2026.