Suma A.H., Binoy Varghese Cheriyan, Vijey Aanandhi M., and Ramachandran S. “Method Development and Validation of RP-HPLC Method for Saxagliptin and Sitagliptin in Pharmaceutical Dosage Form - A Review”. International Journal of Research in Pharmaceutical Sciences, Vol. 12, no. 2, May 2021, pp. 1338-44, doi:10.26452/ijrps.v12i2.4687.