FIDANSKA, Bozhura; BOEVSKI, Ivan. Contract farming for sustainable agriculture in Bulgaria: challenges and opportunities for delivering agro-ecological public goods. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 25, n. 3, p. 5–15, 2026. DOI: 10.22630/ASPE.2026.25.3.9. Disponível em: https://aspe.sggw.edu.pl/article/view/12018. Acesso em: 1 oct. 2026.