K. Kamau, S., O. Bula, D. H. and O. Oringo, J. (2018) “Challenges of Performance Appraisal Implementation and their Effects on Service Delivery in Public Secondary Schools in Githunguri Sub-county of Kiambu County, Kenya”, American Scientific Research Journal for Engineering, Technology, and Sciences, 49(1), pp. 175–191. Available at: https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/4513 (Accessed: 27 April 2024).