Ranjith Reddy Kondeti, Kranti Sri Mulpuri, and Bharathi Meruga. “Advancements in Column Chromatography: A Review”. World Journal of Pharmaceutical Sciences, vol. 2, no. 10, Oct. 2014, pp. 1375-83, https://wjpsonline.com/index.php/wjps/article/view/advancements-column-chromatography-review.