Suresh Thokchom and  Debabrata Dutta and  Somnath Ghosh,  Effect of Incorporating Silica Fume in Fly Ash Geopolymers.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2011, vol. 60(12). 750 - 754
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/15855.