K. C. VERMA, S. SAPRA, A. BAGGA, and S. K. VERMA, “COMPARISON OF VARIOUS ACTIVE INGREDIENTS BETWEEN EX-SITU AND IN-VITRO GROWN PLANTS OF WITHANIA SOMNIFERA L. AND CICHORIUM INTYBUS L”., The Bioscan, vol. 7, no. 2, pp. 347–352, Jun. 2012.