WASET
    Kwok Tak Kit,  Sustainable Ecosystem of Regional Development, Infrastructure and Tourism in Major Countries and Cities in Asia.   journal   = {International Journal of Architectural and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2022, vol. 184(4). 134 - 137
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/10012524.