AKHMAD, Hafifa Oriza; PRATAMA, Inka Nusamuda; HADI, Sulhan. The Influence of Price and Digital Promotion on Customer Loyalty at Regional Packaging Center. Indonesian Journal of Islamic Economics and Finance, [S. l.], v. 6, n. 2, p. 283–296, 2026. DOI: 10.37680/ijief.v6i2.10373. Disponível em: https://ejournal.insuriponorogo.ac.id/index.php/jief/article/view/10373. Acesso em: 9 oct. 2026.