WASET
    A. I. M. Ismail and  N. Ryden,  Engineering Geological Characteristics of Soil Materials, East Nile Delta, Egypt.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2012, vol. 65(5). 282 - 287
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/3322.