Raeisi, Hamed, Daneshian, Jahanfar, Baghestani, Mohammad Ali, Jamshidi, Soleiman. “Effect of crop density and application of reduced dosages of two post-emergence herbicides on broadleaf weeds biomass and yield and yield components of broomcorn (Sorghum vulgare var. technicum).” Agroecology Journal, vol. 9, no. 1, 2013, pp. 31-40.