B, Eltigani E; 						GALI, Mohamed E.
 Pricing of Sorghum Irrigation Water:  A Comparison between  Gravity, Spate and Rain-fed Irrigations in Sudan.
<strong>Gezira Journal of Economic and Social Sciences</strong>, [S.l.], v. 6, n. 2, jan. 2015.
ISSN 1858-6023. Available at: &lt;<a href="http://37.60.236.48/index.php/gjess/article/view/319" target="_new">http://37.60.236.48/index.php/gjess/article/view/319</a>&gt;. Date accessed: 03 june 2026.