EDEH, F.O., UGWU, J.N., UDEZE, C.G., OSUEKE, N.C. and OGWU, V.O. 2019. Understanding performance management, performance appraisal and performance measurement. American Journal of Economics and Business Management. 2, 4 (Dec. 2019), 129–146. DOI:https://doi.org/10.31150/ajebm.v2i4.98.