“COMPARATIVE STUDY ON DECOLORIZATION EFFICIENCY OF BLUE AZO DYE-235 USING TIO2, V2O5 AND ZNO AS PHOTOCATALYSIS”, J. eng. sustain. dev., vol. 20, no. 6, pp. 171–184, Nov. 2016, Accessed: May 18, 2024. [Online]. Available: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/706