Kano, D.D., Ayana, D.K. and Debelo, D.B. 2017. The Practices of Instructional Supervisions in Supplementing Holistic Teaching-Learning Process: Qersa and Omo Nada Woreda Secondary Schools of Jimma Zone in Focus. International Journal of Sciences: Basic and Applied Research (IJSBAR). 36, 3 (Oct. 2017), 1–19.