1. ALBUQUERQUE, R. F. S.; SILVA, R. W. B. F.; SOUSA, D. M. L.; SILVA, J. V. A. Green areas in Fortaleza: a real problem. 2018. In: XVI ENNEAmb & IV Latin American Forum of Engineering and Sustainability, 16., 2018, Palmas-TO. Annals of the XVI National Meeting of Students of Environmental Engineering and IV Latin American Forum of Engineering and Sustainability, Palmas-TO. 2018.
2. AMATO-LOURENÇO, L.F.; MOREIRA, T.C.L.; ARANTES, B.L.; SILVA FILHO, D.F.; MAUAD, T. MAGAZINE ADVANCED STUDIES. V.30, para. 86, p. 1-18, 2016.
3. ARRAIS, A. M. A. C.; COSTA, C. T. F.; LOPES, E. R. N.; SILVA, M. R. Preservation of urban green areas: a study on the Timbaúba Ecological Park. NAU Social Magazine. V.5, para. 8, p. 9b-19, 2014
4. BARGOS, D.C.; MATIAS, L.F. Urban green areas: a review study and conceptual proposal. Revsbau Magazine, V. 6, paragraph 3, p. 172-188, 2011
5. BARRETO, P. A.; LOPES, C. S.; SILVEIRA, I. H.; FAERSTEIN, E.; JUNGER, W. L. Is living near green areas beneficial for mental health? Results of the Pro-Health Study. Public Health Magazine. See 53, No 75, p.1-10, 2019.