“Quality by design approach to analytical method development for simultaneous estimation of ibuprofen and famotidine in their combined dosage form by RP-HPLC method”, Int. J. of Res. in Pharmacology &Pharmacotherapeutics , vol. 7, no. 3, pp. 291–298, May 2021, doi: 10.61096/ijrpp.v7.iss3.2018.291-298.