فهد بن ناصر إبراهيم البركه

Ababutain, M, Ibtisam, Barakah, F. N, and A. M. Heggo (2009). Effect of pesticides (lannite and diazinon) on growth and activity of soil free living nitrogen fixing bacteria. Journal of Saudi Soc. for Agric. Sci., 8, 40-52.