Dewi, Anggia Sasmita, and Aep Wahyudin. “Strategi CRM Dalam Meningkatkan Loyalitas Pelanggan Melalui Program Garudamiles”. Reputation: Jurnal Ilmu Hubungan Masyarakat 5, no. 4 (June 28, 2021): 427–444. Accessed December 6, 2025. https://journal.uinsgd.ac.id/index.php/reputation/article/view/20071.