Sriwahyuni, Elsa, et al. “Zinc Oxide Supported onto Biogenic Silica from Gigantochloa Atroviolacea Leaves: Preparation, Characterization and Antibacterial Activity”. Asian Journal of Chemistry, vol. 31, no. 10, Aug. 2019, pp. 2197-00, doi:10.14233/ajchem.2019.22060.