Fatoni, Ahmad, et al. “Synthesis, Characterization of Polyvinyl Alcohol-Chitosan-ZnO CuO Nanoparticles Film and Its Biological Evaluation As An Antibacterial Agent of Staphylococcus Aureus”. Al Kimiya: Jurnal Ilmu Kimia Dan Terapan, vol. 10, no. 1, June 2023, pp. 1-12, doi:10.15575/ak.v10i1.24725.