X. T., K.; A., K. Combined Tillage Unit. Academic Journal of Digital Economics and Stability, [S. l.], v. 9, p. 91–96, 2021. DOI: 10.51699/ajdes.v9i.313. Disponível em: https://economics.academicjournal.io/index.php/economics/article/view/313. Acesso em: 22 nov. 2024.