Possessions of peasants in legal Amazon: roots of land conflicts in the state of Maranhão: Possessions of peasants in legal Amazon: roots of land conflicts in the state of Maranhão. REVHIST. 2021;10(01):e012123. Accessed September 10, 2025. https://www.revista.ueg.br/index.php/revistahistoria/article/view/11362