Rao, Y Madhusudan, et al. “Formulation and Release Characteristic of a Bilayer Matrix Tablet Containing Glimepride Immediate Release Component and Metformin Hydrochloride As Sustained Release Component”. International Journal of Pharmaceutical Sciences and Nanotechnology(IJPSN), vol. 3, no. 1, May 2010, pp. 851-9, doi:10.37285/ijpsn.2010.3.1.8.