ABBEY, D. R. Use Of Derivatives In The Airline Industry. Journal of Business & Economics Research (JBER), [S. l.], v. 5, n. 7, 2007. DOI: 10.19030/jber.v5i7.2557. Disponível em: https://clutejournals.com/index.php/JBER/article/view/2557. Acesso em: 18 jul. 2024.