List of Articles Acid Red 206 Open Access Article Abstract Page Full-Text 1 - Measuring the Efficiency and Ranking of Photocatalytic Degradation of Azo dye AR 206 and COD Using Data Envelopment Analysis Hossein Dibachi Open Access Article Abstract Page Full-Text 2 - Photocatalytic efficiency of CuFe2O4 by supporting on clinoptilolite in the decolorization of acid red 206 aqueous solutions Azar Bagheri Ghomi Vahid Ashayeri