C. Kelouthu, S. B, and A. R. P, “A New RP-HPLC Method for Simultaneous Estimation of Ribociclib and Letrozole in Its Pure and Tablet Dosage Form as Per ICH Guidelines”, IJMPR, vol. 13, no. 2, pp. 145–151, Oct. 2025, doi: 10.30904/j.ijmpr.2025.4895.