WASET
    Klio Monokrousou and  Maria Giannopoulou,  Exploring Methods and Strategies for Sustainable Urban Development.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    September 2015, vol. 104(8). 2907 - 2910
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10002543.