da Silva, Allan Deyvid Pereira, et al. “Qualitative and Quantitative Aspects of Afforestation of Public Squares in Gurupi, TO, Brazil”. Journal of Biotechnology and Biodiversity, vol. 6, no. 1, Sept. 2019, pp. 209-16, doi:10.20873/jbb.uft.cemaf.v6n1.pereirasilva.