@article{lopes_almeida_2003,  title={Methodology for comparative analysis of sustainability in agroforestry systems},  volume={41},  ISSN={0103-2003},  url={https://doi.org/10.1590/S0103-20032003000100005},  DOI={10.1590/S0103-20032003000100005},  number={1},  journal={Revista de Economia e Sociologia Rural},  publisher={Sociedade Brasileira de Economia e Sociologia Rural (SOBER)},  author={Lopes, Saulo Barbosa and Almeida, Jalcione},  year={2003},  month={Jan},  pages={183–208} }