Al-Sabbagh, Baseem, and Nada N. Abdulrazzaq. “Measuring Dyes Concentration Using a Low-Cost Visible-Light Spectrophotometer”. Iraqi Journal of Chemical and Petroleum Engineering 23, no. 2 (June 30, 2022): 27–33. Accessed May 19, 2024. https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/861.