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• Omidi Najafabadi.Maryam Barriers in Application of Biological Fertilizer in Chardavl Shirvan Township of Ilam Province from Farmers Point of View [ Vol.11, Issue 2 - Summer Year 1397]
• Ommani.Ahmad Reza Identify Barriers and Strategies in the Agricultural School Education System in Khuzestan Province (From the Perspective of Students and Trainees) [ Vol.11, Issue 4 - Winter Year 1397]