Karunia Ritje Virginia Rintjap, et al. “Evaluation of Antioxidant Activity of Ethanol Extract from Phyllospongia Lamellosa Obtained in Parentek Beach, Minahasa Regency”. PHARMACON, vol. 13, no. 3, Oct. 2024, pp. 745-51, doi:10.35799/pha.13.2024.55294.