ABD ELRHMAN, Babiker et al.
 Genotype variability and stability in seed and forage yields of cowpea under Gezira conditions.
<strong>Gezira Journal of Agricultural Science</strong>, [S.l.], v. 8, n. 1, jan. 2010.
ISSN 1728-9556. Available at: &lt;<a href="http://37.60.236.48/index.php/gjas/article/view/1027" target="_new">http://37.60.236.48/index.php/gjas/article/view/1027</a>&gt;. Date accessed: 03 june 2026.