WASET
    A. Aboufayed,  Soil Moisture Content in Hill-Filed Side Slope.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2013, vol. 75(3). 147 - 151
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/5756.