“Study of Agro Behavior Technological and Selection of Seven Varieties of Durum Wheat (Triticum Durum Dest.) Cultivated in Zone Sub Wet (Smar Wad), Algeria”. University of Thi-Qar Journal of Science, vol. 1, no. 2, Aug. 2008, pp. 19-28, http://jsci.utq.edu.iq/index.php/main/article/view/267.