WASET
    Demet Yavuz,  The Effect of Air Entraining Agents on Compressive Strength.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2016, vol. 120(12). 1661 - 1664
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10006186.