GUO, B. Currency Risk Hedging With Time-Varying Correlations. Journal of Business & Economics Research (JBER), [S. l.], v. 1, n. 4, 2003. DOI: 10.19030/jber.v1i4.3000. Disponível em: https://clutejournals.com/index.php/JBER/article/view/3000. Acesso em: 17 jul. 2024.