Kusmarini, Resty Anugrah, Ujang Sumarwan, and Megawati Simanjuntak. “The Effect of Atmosphere Perception, Perceived Value, And Hedonic Value on Consumer Loyalty Through The Service Quality of Warunk Upnormal”. Indonesian Journal of Business and Entrepreneurship (IJBE) 6, no. 1 (February 11, 2020): 53. Accessed August 13, 2020. http://jurnal.ipb.ac.id/index.php/ijbe/article/view/29595.