Abdulrahman Hanoon, Mohammed, and Muthanna J. Ahmed. “Adsorption of Methyl Orange from Wastewater by Using Biochar”. Iraqi Journal of Chemical and Petroleum Engineering 20, no. 3 (September 30, 2019): 23–29. Accessed November 29, 2024. https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/730.