Muhawish, N. M., AND 		Al- Migimia, K. H..
" A New System to Manage Tillage and Phosphate Fertilizer For Wheat in Gypsiferous Soils" <em>Tikrit Journal for Agricultural Sciences مجلة تكريت للعلوم الزراعية</em> [Online], Volume 16 Number 4 (7 April 2019)