E, Akponah, Otutu J.O, Akpomie O.O, and Ubogu M. 2014. “Evaluation of The Acute Toxicity of Three Locally Synthesized Dyes (3,5-Dimethoxypyrimidine Azo-6- Methyl Urazil, 5-Ethoxybenzothiazole Azobenzoloxyphenol and 4-Ethyl 5,2,3-Thiazole Azo-6-Methyl Uracil) Using Nitrosomonas Sp and Nitrobacter Sp”. The Asia Journal of Applied Microbiology 1 (2):18-25. https://archive.conscientiabeam.com/index.php/33/article/view/2712.