Muhamad Azani Yahya and  Umi Nadiah Nor Ali and  Mohammed Alias Yusof and  Norazman Mohamad Nor and  Vikneswaran Munikanan,  Waterproofing Agent in Concrete for Tensile Improvement.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2017, vol. 121(1). 27 - 30
    [viewed 25 October 2021]. Available from: https://publications.waset.org/pdf/10006365.