WASET
    R. Ziaie Moayed and  H. Keshavarz Hedayati,  Effect of Leachate Presence on Shear Strength Parameters of Bentonite-Amended Zeolite Soil.   journal   = {International Journal of Geotechnical and Geological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2019, vol. 151(7). 549 - 552
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10010634.