Ugada, M. O., and F. O. Eze. “EFFECT OF INTEGRATED PERSONNEL AND PAYROLL INFORMATION SYSTEM (IPPIS) ON PERSONNEL COST IN NIGERIAN CIVIL SERVICE (2015-2020)”. African Journal of Social and Behavioural Sciences, vol. 14, no. 4, Aug. 2024, https://journals.aphriapub.com/index.php/AJSBS/article/view/2731.