HULU, Y. E.; HAREFA, I.; MENDROFA, Y.; HULU, T. H. S. Pengaruh Costumer Relationship Management Terhadap Keputusan Pembelian Ulang Pada CV Werry Bakery Gunungsitoli. ProBisnis : Jurnal Manajemen, [S. l.], v. 17, n. 5, p. 3057–3067, 2026. Disponível em: https://ejournal.joninstitute.org/index.php/ProBisnis/article/view/1721. Acesso em: 7 nov. 2026.