Felix Wong and  YT Tang,  Comparative Embodied Carbon Analysis of the Prefabrication Elements Compared with In-situ Elements in Residential Building Development of Hong Kong.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2012, vol. 62(2). 89 - 94
    [viewed 23 April 2021]. Available from: https://publications.waset.org/pdf/13145.