عبد الحميد مفتاح شادي و آمال محمد مادي. “Comparison of Effect of Organic and Chemical Fertilizers Addition on Soil Properties”. Journal of Pure & Applied Sciences 18, no. 4 (December 11, 2019). Accessed April 28, 2024. https://sebhau.edu.ly/journal/jopas/article/view/464.