Taib, Nur-Azzah Afifah, et al. “Valorization of Sarawak Rice Husk: Synthesis and Characterization of Enhanced Purity Amorphous Silica via Hydrochloric Acid Leaching”. BioResources, vol. 21, no. 3, June 2026, pp. 7192-10, https://ojs.bioresources.com/index.php/BRJ/article/view/25493.