Bhat, Arif Hussain, et al. “Isolation and Characterisation of Beta-Sitosterol from the Rhizomes of Arisaema Utile and Its Evaluation for Antioxidant Activity”. International Journal of Scientific Research in Biological Sciences, vol. 6, no. 2, Apr. 2019, pp. 111-8, https://ijsrbs.isroset.org/index.php/j/article/view/206.