EDEH, FRIDAY OGBU, JOY NONYELUM UGWU, CHIMEZIEM GABRIELA UDEZE, NELSON CHIBUIKE OSUEKE, and VICTORIA ONYA OGWU. 2019. “Understanding Performance Management, Performance Appraisal and Performance Measurement”. American Journal of Economics and Business Management 2 (4):129-46. https://doi.org/10.31150/ajebm.v2i4.98.