WASET
    In Su Na and  Gunwon Lee and  Seiyong Kim,  A Study of Factors Affecting the Elapsed Time of Housing Renewal Project Implementation in Seoul.   journal   = {International Journal of Architectural and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2015, vol. 102(6). 759 - 762
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10002379.