Sofiana, Mega Sari Juane, et al. “Potential Antioxidant Activity of Tropical Brown Macroalgae Turbinaria Ethanol Extract from Kabung Island West Kalimantan”. Jurnal Biologi Tropis, vol. 22, no. 4, Dec. 2022, pp. 1302-8, doi:10.29303/jbt.v22i4.4385.