PUTRI, N. T.; JONRINALDI, J.; PRATIWI, R. Penerapan Metode SERVQUAL pada Bank X. Jurnal Optimasi Sistem Industri, Padang, ID, v. 12, n. 2, p. 369–376, 2016. DOI: 10.25077/josi.v12.n2.p369-376.2013. Disponível em: https://josi.ft.unand.ac.id/index.php/josi/article/view/51. Acesso em: 5 may. 2024.