Economic and environmental assessment using emergy of sheep production in Brazil - Reis, Beatriz Queiróz dos; Moreno, Danny Alexander Rojas; Nacimento, Rafael Araújo; Luiz, Vitória Toffolo; Alves, Laya Kannan Silva; Giannetti, Biagio Fernando; Gameiro, Augusto Hauber (Sustainability, 2021)