Reducing the Purification Period of Congo Red Dye Solution By Using Co-Exposure to Ultraviolet and Green Laser as A Photocatalysit Source . Iraqi Journal of Science [Internet]. 2022 May 25 [cited 2024 May 4];63(5):2025-38. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/5033