Y. M. . Rao, S. Reddy, P. P. kumar, and R. . Kandagatla, “Formulation and Release Characteristic of a Bilayer Matrix Tablet Containing Glimepride Immediate Release Component and Metformin Hydrochloride as Sustained Release Component”, Scopus Indexed, vol. 3, no. 1, pp. 851–859, May 2010.