“Biosorption of Cu Ions from Sewage Water Using Water Hyacinth As a Low Cost Biosorbent”. Journal of the College of Basic Education 24, no. 101 (December 11, 2022): 113–125. Accessed July 7, 2024. https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/6966.