Pathak, Ashima, et al. “Copper Oxide Nanoparticles: Synthesis from Citrus Fruits and Coconut Coir and Their Antimicrobial Activity”. International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), vol. 17, no. 5, Oct. 2024, pp. 7565-71, doi:10.37285/ijpsn.2024.17.5.2.