Azlina M. Optimizing Silica Extraction form Rice Ash: A Comparative Study of Alkaline and Acid Leaching. SRJ [Internet]. 2025 Jan. 9 [cited 2025 Jan. 21];22(Special Issue):91-105. Available from: https://journal.uitm.edu.my/ojs/index.php/SRJ/article/view/3199