فارسی English Teaching Experience 1. Principles of Drainage-B.S.2. Design of Drainage Systems-B.S.3. Surface Water HYdrology-B.S.4. Engineering Hydrology-B.Sc.5. Soil-Water and Crop Relationship-M.Sc. 6. Water Management in the Field-M.Sc.7. Supplementary Drainage-M.Sc.