Y. Hadiroseyani, A. Puspitasari, and T. Budiardi, “Increasing of C/N ratio with addition of tapioca starch in Oligochaetes culture substrate”, Jurnal Akuakultur Indonesia, vol. 14, no. 2, pp. 144–150, Oct. 2015, doi: 10.19027/jai.14.144-150.