Valencia, V., E. T. Yawira, W. Wynda, T. Trisyandi, and E. Erwin. “Effect of Brand Association, Service Quality, And Perceived Quality On Customer Loyalty In PT. Surya Eka Kencana Medan: Effect of Brand Association, Service Quality, And Perceived Quality On Customer Loyalty In PT. Surya Eka Kencana Medan”. Jurnal Mantik, vol. 4, no. 2, Aug. 2020, pp. 1053-62, doi:10.35335/mantik.Vol4.2020.856.pp1053-1062.