Serrano, O. Y. A., I. de A. Oliveira, T. G. F. Silva, and R. V. R. Barbosa. “Reflections on the Concept of Healthy Cities from Three Cities in Northeast Brazil”. The Journal of Engineering and Exact Sciences, vol. 7, no. 1, Mar. 2021, pp. 12121-01, doi:10.18540/jcecvl7iss1pp12121-01-12e.