WASET
    Aeslina Binti Abdul Kadir and  Ahmad Shayuti Bin Abdul Rahim,  An Overview of Sludge Utilization into Fired Clay Brick .   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2014, vol. 92(8). 567 - 571
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/9999086.