Open Science Research Excellence
Robert G. Nini ,  Effect of Soaking Period of Clay on Its California Bearing Ratio Value.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology. February 2019, vol. 146(2). 101 - 104[viewed 21 August 2019]. Available from: http://waset.org/publications/10010083.