Fahad K. Alqahtani,  Construction of Green Aggregates from Waste Processing.   journal   = {International Journal of Structural and Construction Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2018, vol. 143(11). 1101 - 1106
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10009788.