Hajj Product Differentiation Strategy at Bank Muamalat KC Kediri in Facing Competition from Other BPS BPIH. Proceeding Kilisuci International Conference on Economic & Business, [S. l.], v. 3, p. 2125–2136, 2025. DOI: 10.29407/1dabdd57. Disponível em: https://proceeding.unpkediri.ac.id/index.php/kilisuci/article/view/6071. Acesso em: 11 jan. 2026.