Djokosetiyanto, D., et al. “Effect of Alkalinity on Survival Rate and Growth of Siam Patin Catfish (Pangasius sp.) Fry”. Jurnal Akuakultur Indonesia, vol. 4, no. 1, Jan. 2007, pp. 53-56, https://doi.org/10.19027/jai.4.53-56.