Sulistiyo, Joko, Dian M. Ulfa, and Silvester M. Tulandi. “Antioxidant Activity of Diadema Setosum Gonads from Kelapa Island, District of Seribu Island, Indonesia: doi.org 10.26538 Tjnpr V5i5.3”. Tropical Journal of Natural Product Research (TJNPR) 5, no. 5 (May 1, 2021): 809–813. Accessed November 22, 2024. https://tjnpr.org/index.php/home/article/view/579.