M. Baumgarten, W. A. da R. Souza, L. S. Rita, and A. M. G. Lages, “Risk hedge analysis of commodity freight cost”, Rev. Polit. Agric., vol. 27, no. 1, p. 113, Dec. 2018, Accessed: Sep. 20, 2026. Available: https://rpa.sede.embrapa.br/RPA/article/view/1404