WASET
    Juan A. Ferriz-Papi and  Simon Thomas,  Recycled Aggregates from Construction and Demolition Waste in the Production of Concrete Blocks.   journal   = {International Journal of Structural and Construction Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2017, vol. 130(10). 1397 - 1402
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10008044.