FULLEN, M. A. The development of sustainble cropping systems in the highlands of South-East Asia: general lessons for development projects. Sociedade & Natureza, [S. l.], v. 1, n. 1, 2009. Disponível em: https://seer.ufu.br/index.php/sociedadenatureza/article/view/9673. Acesso em: 1 out. 2022.