Mehta, D. S. “Role of Thin Layer Chromatography in Ascertaining Tikta Rasa (bitter Taste) of a Medicinal Plant on the Concept of Samana and Vichitrapratyayarabdha Principles of Ayurveda”. International Journal of Pharmaceutical & Biological Archive, vol. 3, no. 1, Mar. 2012, http://ijpba.info/index.php/ijpba/article/view/542.