GREGORY, J. G.; EJAITA, O. A.; A., I. I. Development of Water Billing System: A Case Study of Akwa Ibom State Water Company Limited, Eket Branch. The International Journal of Science & Technoledge, [S. l.], v. 4, n. 7, 2016. Disponível em: http://internationaljournalcorner.com/index.php/theijst/article/view/123915. Acesso em: 30 jul. 2024.