1.
Sari TE, Siswahyudianto S. Analysis of Customer Relationship Management Implementation in Maintaining Customer Loyalty in UMKM Bakpia Ahmad’s Family Trenggalek. MJPSK [Internet]. 2023 Feb. 20 [cited 2026 Jun. 5];15(1):225-43. Available from: https://ejournal.unisda.ac.id/index.php/MADANI/article/view/4096