YU, X. (Sherry); YU, M.; EWELL, F. The Comparative Advantage of Upland Cotton Production in Texas. Texas Journal of Agriculture and Natural Resources, [S. l.], v. 19, p. 31–38, 2016. Disponível em: https://txjanr.agintexas.org/index.php/txjanr/article/view/109. Acesso em: 19 apr. 2024.