Kumar, S. Y., P. Sivaprasad, and A. A. Kumar. “RP-HPLC METHOD DEVELOPMENT AND VALIDATION FOR SIMULTANEOUS QUANTITATIVE ESTIMATION OF METRONIDAZOLE AND NALIDIXIC ACID IN TABLETS”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 7, no. 2, Feb. 2015, pp. 367-71, https://mail.innovareacademics.in/journals/index.php/ijpps/article/view/3879.