VINOLIA, G.; WIJAYA, M. Pengaruh Brand Image dan Relationship Marketing Terhadap Loyalitas Pelanggan Pada Coffee Shop Kopi Petik Pancur Batu Kabupaten Deli Serdang . RIGGS: Journal of Artificial Intelligence and Digital Business, [S. l.], v. 5, n. 1, p. 3486–3495, 2026. DOI: 10.31004/riggs.v5i1.6707. Disponível em: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/6707. Acesso em: 30 may. 2026.