@article{spolaor_oliveira_2022,  title={Towards a progressive understanding of informal settlements: the contribution of the fringe-belt concept},  volume={14},  ISSN={2175-3369},  url={https://doi.org/10.1590/2175-3369.014.e20210353},  DOI={10.1590/2175-3369.014.e20210353},  journal={urbe. Revista Brasileira de Gestão Urbana},  publisher={Pontifícia Universidade Católica do Paraná},  author={Spolaor, Silvia and Oliveira, Vítor},  year={2022},  pages={e20210353} }