J. de J. S. Lemos, “Soybean expansion effects over resilience of family farm in Maranhão State”, Rev. Polit. Agric., vol. 24, no. 2, pp. 26–37, Aug. 2015, Accessed: Nov. 04, 2026. Available: https://rpa.sede.embrapa.br/RPA/article/view/1012