Hutapea, Maria Nopianti, Bambang T.J. Hutagalung, Roida Lumbantobing, Sudirman Lase, and Maringan Sinambela. 2025. “KUALITAS PELAYANAN DI DEPARTEMENT FRONT OFFICE DALAM MENINGKATKAN KEPUASAN TAMU DI HOTEL NIAGARA PARAPAT”. IKRAITH-EKONOMIKA 8 (2), 1720-27. https://journals.upi-yai.ac.id/index.php/IKRAITH-EKONOMIKA/article/view/5251.