GIRSANG, D.; NABABAN, A. C. Kualitas Pelayanan Reception Di Hotel Danau Toba International Medan. Jurnal Ilmiah Akomodasi Agung, [S. l.], v. 8, n. 1, 2021. Disponível em: https://journal.akpardarmaagung.ac.id/index.php/JIAA/article/view/56. Acesso em: 21 jan. 2026.