Kumar, Praveen, and R.A. Kushwaha. “Medicinal Evaluation of Withania Somnifera (L.) Dunal(Ashwagandha)”.
Asian Journal of Chemistry
, vol. 18, no. 2, Mar. 2010, pp. 1401-4, https://asianpubs.org/index.php/ajchem/article/view/21161.