Ibrahim, Ibrahim El-Zael, and Adel Ali Ben Soud. “Effect of Nitrogen Fertilizer and Plant Density on Growth , Fruit Yield and Its Components of Okra Plants”. Al-Mukhtar Journal of Sciences 22, no. 1 (April 30, 2009): 36–61. Accessed July 3, 2024. https://omu.edu.ly/journals/index.php/mjsc/article/view/1041.