Raul, S. K., B. Shanmukha, and D. Jhansi. “RP-HPLC METHOD DEVELOPMENT AND VALIDATION FOR THE SIMULTANEOUS ESTIMATION OF GATIFLOXACIN AND AMBROXOL HCL IN PHARMACEUTICAL DOSAGE FORM”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 7, no. 4, Apr. 2015, pp. 121-4, https://journals.innovareacademics.in/index.php/ijpps/article/view/4417.