Istiqomah, E.N. and Yuliani, S.H. 2026. Multi-Response Desirability Optimisation of Sucrose Charge in Black-Tea Kombucha: Ethanol, Acetic Acid, and Biocellulose as Critical Quality Attributes. Natural Sciences Engineering and Technology Journal. 6, 1 (Aug. 2026), 14-33. DOI:https://doi.org/10.37275/nasetjournal.v6i1.76.