N. Shafiq and  M. F. Nuruddin and  S. C. Chin,  Durability Study Partially Saturated Fly Ash Blended Cement Concrete.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2012, vol. 63(3). 249 - 253
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/13225.