WASET
    Bachir Chemani and  Halima Chemani,  Effect of Coal on Engineering Properties in Building Materials: Opportunity to Manufacturing Insulating Bricks.   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2014, vol. 92(8). 805 - 811
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/9999136.