Ibade, Khalid W., et al. “Effects of Herbicide Chevalier on Wheat Weeds and Effect of on Residues on Successive Crops ”. Diyala Agricultural Sciences Journal , vol. 1, no. 1, June 2009, pp. 335-51, https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/3201.