Khairul Saleh, and Fahrizi. “OPTIMALISASI CRM SEBAGAI KUNCI LOYALITAS KONSUMEN DI COFFEE SHOP: STUDI KASUS COLD N’ BREW”. Jurnal Educatio Amerta, vol. 3, no. 2, Dec. 2024, pp. 156-62, doi:10.70900/jea.v3i2.100.