Prabowo , H. (2026) “Optimization of Alkali Treatment of Rice Husk Ash for Producing an Alternative Alkali Activator via Response Surface Methodology”, BioResources, 21(3), pp. 7516–7540. Available at: https://ojs.bioresources.com/index.php/BRJ/article/view/25634 (Accessed: 13 September 2026).