Padillah, Ridwan Nur, and Hestya Patrie. “UPAYA PENINGKATAN PELAYANAN DAN LOYALITAS CUSTOMER DI PT. AL AMIN MULIA LESTARI”. IDEALIS : InDonEsiA journaL Information System 1, no. 5 (November 5, 2018): 226–232. Accessed April 29, 2025. https://jom.fti.budiluhur.ac.id/IDEALIS/article/view/1009.