Mudawi, T., 		Abdalla, H., & 		Gasmalla, T.
(2019).
 Reproductive and lactation performance of Kenana and  Butana crossbred cows, Gezira State, Sudan.
<em>Gezira Journal Of Agricultural Science, 17</em>(2), 187-200.
Retrieved from <a href="http://journals.uofg.edu.sd/index.php/gjas/article/view/2148" target="_new">http://journals.uofg.edu.sd/index.php/gjas/article/view/2148</a>