Lei, B., Zhou, G., Mi, H., Zhen, K., & Cheng, T. (2011). Decolorization of Metal-Complex Dye Direct Blue-86 in Wastewater by Potassium Ferrate(VI). Asian Journal of Chemistry, 24(1), 209–213. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/15992