saad, D. A., A. W. Al-Shahwany, and H. M. Aboud. “The The Effects of Bio-Fertilization and Two Levels of Chemical Fertilization on Wheat (Triticum Aestivum L.) under Drought Conditions ”. Iraqi Journal of Science, Vol. 62, no. 10, Nov. 2021, pp. 3443-52, doi:10.24996/ijs.2021.62.10.3.