Jannah, E. D. T., and R. . Dwijayanti. “The Effect Of Cafed Attempt and Prices on Customer Satisfaction Coffee Shop Source Coffee Sidoarjo”. Jurnal Mantik, vol. 5, no. 2, June 2021, pp. 898-06, doi:10.35335/jurnalmantik.Vol5.2021.1417.pp898-906.