Sid Ahmed, Nasreldein, 		Gangi, A.S., 		Ibrahim, A.E.S., AND 		Mohamed, I.E..
" Forage yield of some grasses in monoculture and their mixtures with legumes under irrigation in central Sudan" <em>Gezira Journal of Agricultural Science</em> [Online], Volume 15 Number 2 (1 December 2017)