Kalalinggi, S.Y., Soekamto, N.H., Firdaus, Appa, F.E. and Irmawan, M. 2023. Phytochemical Screening n-hexane Extract of Sponge Xestospongia testudinaria from Spermonde Archipelago. Journal of Biotropical Research and Nature Technology . 1, 2 (Apr. 2023), 86–91. DOI:https://doi.org/10.36873/borneo.v1i2.8992.