WASET
    M. Shuhaimi-Othman and  Y. Nadzifah and  A.K. Ahmad,  Toxicity of Copper and Cadmium to Freshwater Fishes.   journal   = {International Journal of Bioengineering and Life Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2010, vol. 41(5). 319 - 321
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/2938.