Merlin, Merlin (2019) Analysis of restaurant service towards customer satisfaction at grand liberty medan. Bachelor thesis, Universitas Pelita Harapan.

Sally, Sally (2019) The Influence of Service Quality toward Customer Satisfaction in Front Office Emerald Garden International Hotel Medan. Bachelor thesis, Universitas Pelita Harapan.

Silvia, Silvia (2019) The strategy of food and beverages promotion in order to attract customer at hotel santika premiere dyandra medan. Bachelor thesis, Universitas Pelita Harapan.