Budiardi, T., et al. “Production of M-Size Neon Tetra Fish Paracheriodon Innesi in Recirculation System With Density of 25, 50, 75 and 100 Litre-1”. Jurnal Akuakultur Indonesia, vol. 7, no. 1, Jan. 2008, pp. 19-24, https://doi.org/10.19027/jai.7.19-24.