Gupta, Vijayta, et al. “Evaluation of Biological Activities of Chemically Synthesized Cobalt Oxide Nanoparticles in Concentration and Time Dependent Manner”. International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), vol. 13, no. 6, Nov. 2020, pp. 5243-9, doi:10.37285/ijpsn.2020.13.6.9.