Sangwan, O., R. Avtar, and A. Singh. “Genetic Variability, Character Association and Path Analysis in Ashwagandha [Withania Somnifera (L.) Dunal] under Rainfed Conditions”. Research in Plant Biology, vol. 3, no. 2, Apr. 2014, https://www.updatepublishing.com/journal/index.php/ripb/article/view/2520.