A. G. Kandhula and A. K. Tulasi, “Simultaneous estimation of Doxofylline and Sertreline tablet dosage form by using RP-HPLC”, J. Drug Delivery Ther., vol. 9, no. 1-s, pp. 168–171, Feb. 2019, doi: 10.22270/jddt.v9i1-s.2285.