Gupta, V., A. D. K. J. Jain, G. N.S, and K. Guptan. “Development and Validation of HPLC Method - a Review ”. International Research Journal of Pharmaceutical and Applied Sciences, Vol. 2, no. 4, Aug. 2012, pp. 17-25, https://scienztech.org/index.php/irjpas/article/view/307.