Apriani, Riza, and Gania Ningsih Noer Fajrianti. 2025. “Optimization of Bacterial Cellulose-Quercetin Biocomposite Synthesis Using The Ex-Situ Method and Its Application As an Antibacterial Agent”. Helium: Journal of Science and Applied Chemistry 5 (1):1-10. https://doi.org/10.33751/helium.v5i1.14.