Handayani, D. et al. 2017. Isolation and characterization of antibacterial compounds of ethyl acetate fraction of bacteria Bacillus sp.3 (a1) that symbiotic with marine sponge Haliclona fascigera. Jurnal Sains Farmasi & Klinis. 4, 1 (Dec. 2017), 24–29. DOI:https://doi.org/10.29208/jsfk.2017.4.1.146.