P2GREeN
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URBACT. 2019. P2GREeN Good Practice Summary. Information obtained: 2020-08-08. Available at: https://urbact.eu/sites/default/files/339_Guimaraes_GPsummary.pdf.
World Population Review. 2020. Population of Cities in Portugal (2020). Information obtained: 2020-09-17. Available at: https://worldpopulationreview.com/countries/cities/portugal.