“FACTORS INFLUENCING THE PHOTOCATALYTIC DECOLORIZATION OF METHYLENE BLUE IN THE PRESENCE OF NATURAL IRON OXIDE AND OXALIC ACID UNDER UV IRRADIATION”. Sciences & Technology. A, exactes sciences, no. 39 (June 30, 2014): 61–66. Accessed September 22, 2025. http://conferences.umc.edu.dz/a/article/view/600.