Antoni Wibowo and  Harry Pujianto and  Dewi Retno Sari Saputro,   Combined Effect of Heat Stimulation and Delay Addition of Superplasticizer with Slag on Fresh and Hardened Property of Mortar.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2017, vol. 130(10). 2506 - 2509
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10008202.