Marasca, Letícia, Claudia Aline de Souza Ramser, and Adriano Mendonça Souza. 2022. “Rice Agricultural Produtivity in Brazil: A Spatial Analysis”. Sigmae 11 (1):33-39. https://publicacoes.unifal-mg.edu.br/revistas/index.php/sigmae/article/view/1886.