Hebha Amreen. “QUALITY BY DESIGN (QBD) – BASED RP – HPLC METHOD DEVELOPMENT AND VALIDATION FOR THE SIMULTANEOUS DETERMINATION OF DARUNAVIR AND RITONAVIR”. World Journal of Pharmaceutical Sciences, vol. 13, no. 04, Dec. 2025, https://wjpsonline.com/index.php/wjps/article/view/2016.