Ogbonna, R. A., R. Ramanathan, and N. S. Ping. “Antioxidant and Antimicrobial Properties of Ocimum Sanctum and Cymbopogon Nardus”. Advanced Journal of Graduate Research, vol. 9, no. 1, Sept. 2020, pp. 14-20, doi:10.21467/ajgr.9.1.14-20.