Barros, I. D.; Pacheco, E. P.; Carvalho, H. W. L. D. Integrated Emergy and Economic Performance Assessments of Maize Production in Semiarid Tropics: Comparing Tillage Systems. JEAM 2026, 5 (3), 211-232. https://doi.org/10.5890/JEAM.2017.09.004.