Chaiyakrit Raoupatham and  Ram Hari Dhakal and  Chalermchai Wanichlamlert,  Study on Compressive Strength and Setting Times of Fly Ash Concrete after Slump Recovery Using Superplasticizer.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2015, vol. 108(12). 1599 - 1603
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10003192.