“RP-HPLC Method for Simultaneous Quantification and Validation of Sofosbuvir and Velpatasvir in Bulk Drugs and Formulations”. INTERNATIONAL JOURNAL OF ADVANCED RESEARCH AND REVIEW (IJARR) 10, no. 6 (June 21, 2025): 18–43. Accessed July 15, 2026. https://www.ijarr.org/index.php/ijarr/article/view/886.