Cruz, Uilmer Rodrigues Xavier da, and Ricardo Alexandrino Garcia. “Theoretical and Methodological Contributions of the Knowledge Economy: The Applicable ‘steps’ in Brazilian Recycling”. International Journal for Innovation Education and Research, vol. 9, no. 5, May 2021, pp. 417-59, https://doi.org/10.31686/ijier.vol9.iss5.3107.