Ali Abdul Samea Hameed 2020. Green Cities and Sustainable Urban Development:(Subject review) . International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE. 6, 11 (Nov. 2020), 31–36. DOI:https://doi.org/10.31695/IJASRE.2020.33929.