NAWAZ BHATTI, HAQ, et al. “Evaluation of Phenolic Contents and Antioxidant Potential of Methanolic Extracts of Green Cardamom (Elettaria Cardamomum)”. Asian Journal of Chemistry, vol. 22, no. 6, May 2010, pp. 4787-94, https://asianpubs.org/index.php/ajchem/article/view/16784.