WASET
    Md. Jahidul Islam and  A. K. M. Rakinul Islam and  Md. Salamah Meherier,  An Investigation on Fresh and Hardened Properties of Concrete while Using Polyethylene Terephthalate (PET) as Aggregate.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2015, vol. 101(5). 558 - 561
    [viewed 04 May 2024]. Available from: https://publications.waset.org/pdf/10001238.