B. A. Reddy, M. I. Alam, N. Khanam, and P. R. Adhakrishnanand, “AN INNOVATIVE METHOD DEVELOPMENT AND FORCED DEGRADATION STUDIES FOR SIMULTANEOUS ESTIMATION OF SOFOSBUVIR AND LEDIPASVIR BY RP HPLC”, Int J Pharm Pharm Sci, vol. 11, no. 2, pp. 34–41, Feb. 2019.