1. UN-Habitat, The Value of Sustainable Urbanization. World Cities Report, Nairobi, 2020. Available from: https://unhabitat.org/sites/default/files/2020/10/wcr_2020_report.pdf.
2. Agence Française de Développement, Sustainable Cities. Focus, Paris, 2019. Available from: https://upfi-med.eib.org/wp-content/uploads/2020/04/AFD_CIS_FOCUS-VILLES_DURABLES_ENG_WEB-VF-BAT-1.pdf.
3. Dixon T, Connaughton J, Green S (2018) Sustainable Futures in the Built Environment to 2050: A Foresight Approach to Construction and Development, John Wiley & Sons. https://doi.org/10.1002/9781119063834
4. IEA (International Energy Agency), Energy technology perspectives pathways to a clean energy system, 2012. Available from: https://iea.blob.core.windows.net/assets/7136f3eb-4394-47fd-9106-c478283fcf7f/ETP2012_free.pdf.
5. UNEP (United Nation for Environment Programme), Transport. Investing in energy and resource efficiency, UNEP, 2011. Available from: https://wedocs.unep.org/bitstream/handle/20.500.11822/22013/10.0_transport.pdf?sequence=1&%3BisAllowed.