V. R. Bharad, O. R. Deshmukh, S. M. Wagh, P. Folane, R. H. Kale, and K. R. Biyani, “The Review on current treatments and therapies on COVID-19: Formulation Development of Sustained Release Matrix Tablet”, Asian J Pharm Res Dev, vol. 8, no. 4, pp. 122–129, Aug. 2020.