A review: Machine relationship with the tractor and its effect on the productivity and compaction of agricultural soil. University of Thi-Qar Journal of agricultural research, [S. l.], v. 12, n. 1, p. 22–43, 2023. DOI: 10.54174/utjagr.v12i1.237. Disponível em: https://jam.utq.edu.iq/index.php/main/article/view/237.. Acesso em: 21 nov. 2024.