Lopes, J. C. de J., and G. L. L. da Silva. “Conceptual Frontiers about Sustainable Cities, Smart Cities and Bioeconomy Terms: What Do Scientific Researchs, Published in Literature, Have to Say?”. 2021. Ciência E Natura, vol. 44, July 2022, p. e23, doi:10.5902/2179460X67612.