Ong, Siew-Teng, Pei-Sin Keng, and Chnoong-Kheng Lee. “Determination of the Role of Different Surface Functional Groups on EDA Modified Rice Hull in the Sorption of Dyes”. Asian Journal of Chemistry 24, no. 6 (February 10, 2012): 2665–2667. Accessed November 25, 2024. https://asianpubs.org/index.php/ajchem/article/view/9198.