OKSATANA, M.; MUJANAH, S.; FIANTO, A. Y. A. Validity and Reliability of Customer Loyalty Instruments at Bank Jatim Sub-Branch Karangjati Ngawi. International Journal of Economics (IJEC), [S. l.], v. 4, n. 1, p. 600–611, 2025. DOI: 10.55299/ijec.v4i1.1373. Disponível em: https://ejournal.ipinternasional.com/index.php/ijec/article/view/1373. Acesso em: 23 jul. 2025.