SAMPER KUTSCHBACH, Mario. Power relations and agrarian struggles in coffee-growing regions: questions and reflections. Revista de historia., [S. l.], n. 30, p. 189–200, 1994. DOI: 10.15359/rh.30.1. Disponível em: https://www.revistas.una.ac.cr/index.php/historia/article/view/21691. Acesso em: 24 apr. 2026.