Dwivedi, Chandraprakash, et al. “FORMULATION AND CHARACTERIZATION OF METFORMIN HYDROCHLORIDE SUSTAINED RELEASE MATRIX TABLET CONTAINING CASSIA TORA MUCILAGE”. Journal of Drug Delivery and Therapeutics, vol. 7, no. 6, Nov. 2017, pp. 66-75, https://doi.org/10.22270/jddt.v7i6.1520.