Guareschui, R.F. et al. 2019. ’An analysis of energy efficiency and greenhouse gas emissions from organic soybean cultivation in Brazil. Semina: Ciências Agrárias. 40, 6Supl3 (Oct. 2019), 3461–3476. DOI:https://doi.org/10.5433/1679-0359.2019v40n6Supl3p3461.