Nirmala, K., Wulandari, R. and Djokosetiyanto, D. (2007) “Effect of Hardness in 3 ppt of Water Salinity on growth and survival rates of Barb Fish (Barbus conhonius Hamilton-Buchanan)”, Jurnal Akuakultur Indonesia, 4(1), pp. 17-24. doi: 10.19027/jai.4.17-24.