Mohammed Mustapha Alhaji and  Salawu Sadiku,  Stabilization of Clay Soil Using A-3 Soil.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2015, vol. 106(10). 1272 - 1276
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10002813.