Bao Thach Nguyen and  Abbas Mohajerani,  Prediction of California Bearing Ratio from Physical Properties of Fine-Grained Soils.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2015, vol. 98(2). 136 - 141
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10000528.