WASET
    M. A. Rashed and  A. S. Mansour and  H. Faris and  W. Afify,  Factors Affecting the Ultimate Compressive Strength of the Quaternary Calcarenites, North Western Desert, Egypt.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2014, vol. 86(2). 117 - 129
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/9997555.