Fajrin, T., and A. Aprianingsih. “The Influence Of Marketing Mix (7PS) To Customer Satisfaction Customer Loyalty And Customer Retention At Coffeshop”. EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi Dan Bisnis, Vol. 12, no. 3, July 2024, pp. 2645–2658, doi:10.37676/ekombis.v12i3.5335.