K. Kavitha, K. Mahalakshmi, and Vishnu Kiran Manam. 2015. “Free Radical Scavenging Activity of Methanolic Extract of Green Alga Valoniopsis Pachynema”. World Journal of Pharmaceutical Sciences 3 (10):2074-76. https://wjpsonline.com/index.php/wjps/article/view/free-radical-scavenging-green-alga-valoniopsis-pachynema.