Maleki, Afshin, Amir Hossein Mahvi, and Behzad Shahmoradi. 2011. “Hydroxyl Radical-Based Processes for Decolourization of Direct Blue 71: A Comparative Study”. Asian Journal of Chemistry 23 (10):4411-15. https://asianpubs.org/index.php/ajchem/article/view/10866.