“Use of Waste Energy by Adding Shing (Heteropneustes Fossilis, Bloch 1797) into Pangus (Pangasianodon Hypophthalmus, Sauvage, 1878) Pond”. 2015. Journal of Environmental Science and Natural Resources 6 (1): 209-16. https://doi.org/10.3329/jesnr.v6i1.22067.