M. B, S., P. B. N, G. A. Y, and B. O. G. “A REVIEW ON HYDROPHILIC INTERACTION CHROMATOGRAPHY- A USEFUL TECHNIQUE ”. International Research Journal of Pharmaceutical and Applied Sciences, Vol. 3, no. 2, Apr. 2013, pp. 137-42, https://scienztech.org/index.php/irjpas/article/view/632.