Abdul Khaliq Amiri and  Shigeyuki Date,  Effect of Carbon-Free Fly Ash and Ground Granulated Blast-Furnace Slag on Compressive Strength of Mortar under Different Curing Conditions.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2021, vol. 172(4). 182 - 186
    [viewed 19 March 2024]. Available from: https://publications.waset.org/pdf/10011975.