WASET
    Kartini and  K. and  Rohaidah and  M.N. and  Zuraini and  ZA.,  Performance of Ground Clay Bricks as Partial Cement Replacement in Grade 30 Concrete.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2012, vol. 68(8). 569 - 572
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/2626.