Ady Mahfuzh, Muhammad, and Akhmad Yusuf Khoiruddin. “TINGKATKAN LOYALITAS MUZAKI: ANALISIS COSTUMER RELATIONSHIP MANAJEMEN (CRM) PADA DIGITAL SERVICE BADAN AMIL ZAKAT NASIONAL (BAZNAS) KOTA YOGYAKARTA”. Ekonomi Islam 14, no. 2 (November 30, 2023): 206–221. Accessed November 23, 2024. https://journal.uhamka.ac.id/index.php/jei/article/view/11276.