N. Singh, Y. Singh, R. S. Bhadauria, and J. Govindasamy, “Analytical Method Development, Optimization and Validation of Combination of Azithromycin and Benzoyl Peroxide By RP-HPLC Using Design of Experiment as Per ICH Guideline”, Int. J. Heal. Clin. Res., vol. 2, no. 3, pp. 26–45, Mar. 2019.