«Socioeconomic profile of sheep farmers and environmental aspects of beef sheep farming in the Santarém and Mojuí dos Campos municipalities of Pará state, Brazil». Revista Sítio Novo 8, no. 3 (diciembre 20, 2024): 6–15. Accedido septiembre 15, 2026. https://sitionovo.ifto.edu.br/index.php/sitionovo/article/view/1418.