WASET
Vafa, P. , Naseri, R. , Moradi, M.. "The Effect of Drought Stress on Grain Yield, Yield Components and Protein Content of Durum Wheat Cultivars in Ilam Province, Iran". World Academy of Science, Engineering and Technology, Open Science Index 90, International Journal of Agricultural and Biosystems Engineering, (2014), 8(6), 631 - 636.