Factors that Affect Teachers’ Performance Appraisal at Bahir Dar Polytechnic College. Int. J. Emerg. Trends Sci. Technol. [Internet]. 2016 Jul. 30 [cited 2026 Sep. 28];3(07):4316-23. Available from: http://igmpublication.com/ijetst.in/index.php/ijetst/article/view/1144