WASET
    L. Jiang,  Study on Guangzhou's Employment Subcentres and Polycentricity.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2012, vol. 71(11). 3306 - 3312
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/8484.