Luringunusa, E., G. Sanger, D. A. Sumilat, R. I. Montolalu, L. J. Damongilala, and V. Dotulong. “Qualitative Phytochemical Analysis of Gracilaria Verrucosa from North Sulawesi Waters”. Jurnal Ilmiah Platax, vol. 11, no. 2, Oct. 2023, pp. 551-63, doi:10.35800/jip.v11i2.48777.