C. C. Ferreira de Souza, J. dos Santos Saraiva, and M. L. Bahia Lopes, “Urban expansion, subnormal agglomerations and provision of sanitation services: a case study of the Metropolitan Region of Belém”, RNGC, vol. 11, no. 83, Aug. 2023, doi: 10.17271/23188472118320233729.