Cut Tari Azizi, and Afnina Afnina. “Analisis Manajemen CRM Pada Peningkatan Loyalitas Customer Coffee Shop”. PESHUM : Jurnal Pendidikan, Sosial dan Humaniora 4, no. 1 (December 8, 2024): 396–403. Accessed August 7, 2026. https://al-haramjournal.co.id/PESHUM/article/view/6695.