Mudawi, Tilal M. A., 		Abdalla, Hyder O., AND 		Gasmalla, Tasabeeh E. M..
" Reproductive and lactation performance of Kenana and  Butana crossbred cows, Gezira State, Sudan" <em>Gezira Journal of Agricultural Science</em> [Online], Volume 17 Number 2 (31 December 2019)