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Rattanawan Mungkung. (1998) Effects of humic acid and water hardness on cadmium toxicity, using Puntius gonionotus Bleeker . Mahidol University/Bangkok.
Rattanawan Mungkung. Effects of humic acid and water hardness on cadmium toxicity, using Puntius gonionotus Bleeker. . Bangkok:Mahidol University, 1998.
Rattanawan Mungkung. (1998) Effects of humic acid and water hardness on cadmium toxicity, using Puntius gonionotus Bleeker . Mahidol University/Bangkok.