WASET
    O. Zimbili and  W. Salim and  M. Ndambuki,  A Review on the Usage of Ceramic Wastes in Concrete Production.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2014, vol. 85(1). 91 - 95
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/9997569.