List of Articles Central composite design Open Access Article Abstract Page Full-Text 1 - Application of TiO2/ZnS as a nano photocatalyst for degradation of Acid Red 18 in aqueous media using a central composite design Aref Shokri Mahdi Sanavi Fard 10.22034/jna.2022.1933982.1261 Open Access Article Abstract Page Full-Text 2 - Degradation of Chloridazon in an aqueous environment using TiO2/Ag as a synthesized nano photocatalyst using central composite design Maysam Abdolkarimi Fariba Soleimani Aref Shokri 10.22034/jna.2022.1934052.1262