CLARKE, Neville P. et al. Sustainable Agriculture and the 1995 Farm Bill. Council for Agricultural Science and Technology (CAST), Ames, U.S.A., 1995. DOI: 10.62300/7z1arn14. Disponível em: https://publications.cast-science.org/CAST/article/view/218. Acesso em: 2 jul. 2026.