Cruz, R. S., P. M. de Medeiros, W. S. Ferreira Júnior, and R. R. V. da Silva. “Factors That Influence Human Behavior in Biofuel Use and Their Implications for Biocultural Conservation”. Ethnobiology and Conservation, vol. 9, July 2020, doi:10.15451/ec2020-07-9.31-1-13.