V, S.; SIREESHA, R. .; SIVAGAMI, B. . .; KUMAR, V. P. .; CHANDRASEKAR, R. .; BABU, M. N. . Simultaneous Estimation of Sofosbuvir and Velpatasvir Tablets by RP- HPLC Method. International Journal of Research and Development in Pharmacy & Life Sciences, v. 7, n. 5, p. 3092 - 3099, 15 Oct. 2018.