G A Geetha, K S Shivashankara, T K Roy,. “Antioxidant Capacity, Radical Scavenging Ability, Total Phenols and Flavonoids in Three Types of Betelvine (Piper Betle L.)”. Journal of Spices and Aromatic Crops 21, no. 1 (June 25, 2012): 64–67. Accessed April 27, 2024. https://updatepublishing.com/journal/index.php/josac/article/view/5159.