BÓRAWSKI, P. DU PONT MODEL UTILIZATION IN PROFITABILITY ESTIMATION OF FARMS GAINING ALTERNATIVE INCOME SOURCES. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 8, n. 4, p. 5–12, 2009. Disponível em: https://aspe.sggw.edu.pl/article/view/754. Acesso em: 24 apr. 2024.