Asad khan, Muhammad, et al. “The Impact of Performance Appraisal on Employee Job Performance in Public Sector Universities of Khyber Pakhtunkhwa, Pakistan”. International Journal of Engineering & Technology, vol. 7, no. 3.25, Aug. 2018, pp. 544-8, https://doi.org/10.14419/ijet.v7i3.25.17793.