Ong Siew TengLi-Pei HewYung-Tse Hung2024-12-302024-12-30201410.14233/ajchem.2014.15406https://dspace-cris.utar.edu.my/handle/123456789/9127Utilization of Quaternized Rice Hull as Low-Cost Adsorbent for the Removal of Congo Red from Aqueous Solutionjournal-article