BasirA., TarmanK., and DesniarD. “Antibacterial and Antioxidant Activity of Green Algae Halimeda Gracilis from Seribu Island District”. Jurnal Pengolahan Hasil Perikanan Indonesia, Vol. 20, no. 2, Aug. 2017, pp. 211-8, doi:10.17844/jphpi.v20i2.17507.