O. Belalia Douma and  B. Boukhatem and  M. Ghrici,  Prediction Compressive Strength of Self-Compacting Concrete Containing Fly Ash Using Fuzzy Logic Inference System.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2014, vol. 96(12). 1336 - 1340
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10000211.