Napitupulu, H. G., I. F. M. Rumengan, S. Wullur, E. L. Ginting, J. R. T. S. L. Rimper, and B. H. Toloh. “Bacillus Sp. As a Decomposition Agent in The Maintenance of Brachionus Rotundiformis Which Uses Raw Fish As a Source of Nutrition”. Jurnal Ilmiah PLATAX, vol. 7, no. 1, Jan. 2019, pp. 158-69, doi:10.35800/jip.7.1.2019.22627.