FEWINGS, D. R.; PEKOZ, E. A. Optimal Multiple Crop Price Hedging: Robust Estimates Under Yield/Basis Risk. International Business & Economics Research Journal (IBER), [S. l.], v. 2, n. 2, 2003. DOI: 10.19030/iber.v2i2.3766. Disponível em: https://clutejournals.com/index.php/IBER/article/view/3766. Acesso em: 17 jul. 2024.