Seyed Abolhasan Naeini and  Ali Namaei,  Effect of Prefabricated Vertical Drain System Properties on Embankment Behavior.   journal   = {International Journal of Geotechnical and Geological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2020, vol. 162(6). 131 - 134
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10011263.