Barzegar, Akbar, Bagher Mortazavi, Hasan Asilian Mahabadi, and Hossein Kazemian. 2014. “Catalytic Degradation of Toluene on Manganese Oxide Catalyst Loaded on a Natural Zeolite Support”. Scientific Journal of Review 3 (5):345-52. http://sjournals.com/index.php/sjr/article/view/559.