Lase, Febri Liani Putri, Heniwati Gulo, Martha Surya Dinata Mendrofa, and Eliagus Telaumbanua. 2026. “Pengaruh Customer Relationship Management (CRM) Terhadap Customer Loyalty Pada Abraham Motor Gunungsitoli”. ProBisnis : Jurnal Manajemen 17 (4):2490-2501. https://www.ejournal.joninstitute.org/index.php/ProBisnis/article/view/1703.