A., Mohammed O.; 						A, Murtada Kh..
 Efficiency of Selected Sudanese Sheep Markets: A Bivariate Approach  (1995-2011).
<strong>Gezira Journal of Economic and Social Sciences</strong>, [S.l.], v. 7, n. 2, jan. 2016.
ISSN 1858-6023. Available at: &lt;<a href="http://journals.uofg.edu.sd/index.php/gjess/article/view/642" target="_new">http://journals.uofg.edu.sd/index.php/gjess/article/view/642</a>&gt;. Date accessed: 26 june 2026.