Poornima A. N., Manoj Singh, and Shilpashree A. T., “Simultaneous Estimation of Linagliptin and Metformin Hydrochloride in Bulk and Combined Tablet Dosage Form by UV-Spectrophotometric Methods”, IJMS, vol. 6, no. Spl Issue 7, pp. 84–91, Jun. 2019.