Qalbi, Sania Imalia, and Ratna Meisa Dai. 2024. “Penerapan Customer Relationship Management Dalam Mempertahankan Customer Loyalty Pada PT. Karya Tetangga Tuku”. Jurnal Ekonomi Efektif 6 (2):296-310. https://doi.org/10.32493/JEE.v6i2.37368.