WASET
    M. Mamatha and  H. B. Aravinda and  E. T. Puttaiah and  S. Manjappa,  Adsorption of Ferrous and Ferric Ions in Aqueous and Industrial Effluent onto Pongamia pinnata Tree Bark.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2012, vol. 67(7). 645 - 653
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/16906.