Hasan, Wisam B., Ali H. Dheyab, and Nihad Sh. Sultan. 2019. “Effect of Emulsifying Petroleum Derivatives, Water Deficit Treatment and Emitters Discharge on Dry Weight, Grain Yield and Water Use Efficiency of Sunflower (Helianthus Annuus L.)”. Basrah Journal of Agricultural Sciences 32 (1):1-14. https://doi.org/10.37077/25200860.2019.112.