ZAJDEL, M. PROCESS OF FARM INCOMES CHANGES. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 5, n. 1, p. 81–88, 2006. Disponível em: https://aspe.sggw.edu.pl/article/view/923. Acesso em: 22 nov. 2024.