fadlalmola, m., 		El-Awad, S., & 		Mohamoud, M.
(2010).
 Development and evaluation of a seed drill for bed  planting of wheat.
<em>Gezira Journal Of Agricultural Science, 8</em>(1).
Retrieved from <a href="http://journals.uofg.edu.sd/index.php/gjas/article/view/1034" target="_new">http://journals.uofg.edu.sd/index.php/gjas/article/view/1034</a>