Fulya Aydın and  Ayşe Kuleyin,  The Effect of Modification and Initial Concentration on Ammonia Removal from Leachate by Zeolite.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2011, vol. 54(6). 336 - 339
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/10975.