B. ALHESSEIN, Mohammedein; 						S. IBRAHIM, Abu Elhassan; 						S. ALI, Eltahir.
 Heterosis for grain yield and its components in topcross hybrids of maize.
<strong>Gezira Journal of Agricultural Science</strong>, [S.l.], v. 10, n. 1, p. 38-50, dec. 2022.
ISSN 1728-9556. Available at: &lt;<a href="http://37.60.236.48/index.php/gjas/article/view/2388" target="_new">http://37.60.236.48/index.php/gjas/article/view/2388</a>&gt;. Date accessed: 03 june 2026.