LIU, X.; PIETOLA, K. Forward hedging under price and production risk of wheat. Agricultural and Food Science, [S. l.], v. 14, n. 2, p. 123–133, 2005. DOI: 10.2137/145960605774826028. Disponível em: https://journal.fi/afs/article/view/5803. Acesso em: 22 may. 2024.