Rafah N. AL-Farhan, Bashar, and Sahab A . AL-Ajeeli. 2021. “The Relationship of Some Personal and Functional Variables to the Level of the Usage of Extension Methods by Agricultural Extension Workers in Salah Al-Din Governorate”. College of Basic Education Research Journal 17 (2):1513-31. https://doi.org/10.33899/berj.2021.168555.