M. Alkam, F., M. AL-Taee, M. and A. Alghanmi, H. 2018. Effect of different concentrations of nitrate and phosphate on Geosmin and 2-Methylisoborneol production by some species of cyanobacteria. Al-Qadisiyah Journal of Pure Science. 20, 4 (Aug. 2018), 10 - 26.