MAKNUNAH, L. U.; AMARIA, H. The Influence of Customer Service and Product Diversification on Customer Loyalty. Jurnal Ilmiah Manajemen Kesatuan, [S. l.], v. 13, n. 6, p. 5205–5216, 2025. DOI: 10.37641/jimkes.v13i6.4245. Disponível em: https://jurnal.ibik.ac.id/index.php/jimkes/article/view/4245. Acesso em: 4 jun. 2026.