WASET
    M.M. Jafarpour and  Ar. Foolad and  M.K. Mansouri and  Z. Nikbakhsh and  H. Saeedizade,  Ammonia Removal from Nitrogenous Industrial Waste Water Using Iranian Natural Zeolite of Clinoptilolite Type.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2010, vol. 46(10). 481 - 487
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/12989.