WASET
    I. V. N. Rathnayake and  Mallavarapu Megharaj and  Nanthi Bolan and  Ravi Naidu,  Tolerance of Heavy Metals by Gram Positive Soil Bacteria.   journal   = {International Journal of Bioengineering and Life Sciences}, [online]. World Academy of Science, Engineering and Technology.
    May 2009, vol. 29(5). 270 - 274
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/8678.