S. . Rathod, K. . Bhatiya, and N. . Patel, “RP-HPLC Method Development and Validation for Simultaneous Quantitation of Sitagliptin Phosphate and Empagliflozin: QbD Driven”, CTBP, vol. 20, no. 4, pp. 3315–3326, Oct. 2026.