Gurav Vishal Prabhakar, and Gannur Prasadshakti G. “Role of Bala (Immunity) in Covid-19 Pandemic: An Ayurvedic Review”. International Journal of Ayurveda and Pharma Research, Vol. 9, no. 6, Aug. 2021, pp. 69-74, doi:10.47070/ijapr.v9i6.1909.