Bamuaafa ماجد سعيد سالم, S. زياد عثمان, and Al-Koor باسل عبدالله. “Effect of Intercropping Cowpea With Maize on the Growth and Productivity of Maize”. University of Aden Journal of Natural and Applied Sciences 21, no. 1 (April 30, 2017): 1–8. Accessed May 17, 2024. https://uajnas.adenuniv.com/index.php/uajnas/article/view/223.