Syahrindra, Wendy, and Hikmatul Lutfi’ah. “Analisis Loyalitas Dan Daya Beli Konsumen Terhadap Olahan Kopi Robusta Di Warung Kopi My Way Jember”. Kubis 4, no. 02 (November 20, 2024): 126–140. Accessed December 22, 2024. https://ejurnal.uij.ac.id/index.php/kub/article/view/2693.