Rajagopal, S.V., B.V. Raman, I. Bhaskar Reddy, M. Rama Rao, and K. Sivakumar. 2010. “Antioxidants and Free Radical Scavenging Activity of Brown Algae of Visakhapatnam Coast”. Asian Journal of Chemistry 20 (7):5347-52. https://asianpubs.org/index.php/ajchem/article/view/12864.