Serrano, Oriana Yenahi Andrade, Isabela de Araújo Oliveira, Thiago Gilney Ferreira Silva, and Ricardo Victor Rodrigues Barbosa. 2021. “Reflections on the Concept of Healthy Cities from Three Cities in Northeast Brazil”. The Journal of Engineering and Exact Sciences 7 (1). Viçosa/MG, BR:12121-1. https://doi.org/10.18540/jcecvl7iss1pp12121-01-12e.