Kalalinggi, S. Y., N. H. Soekamto, Firdaus, F. E. Appa, and M. Irmawan. “Phytochemical Screening N-Hexane Extract of Sponge Xestospongia Testudinaria from Spermonde Archipelago”. Journal of Biotropical Research and Nature Technology, vol. 1, no. 2, Apr. 2023, pp. 86-91, doi:10.36873/borneo.v1i2.8992.