EL-HASSAN, N.; HALL, A.; TULUNAY, I. Methods and Analysis of Collar Strategies. Journal of Applied Business and Economics, [S. l.], v. 23, n. 8, 2021. DOI: 10.33423/jabe.v23i8.4882. Disponível em: https://mail.articlegateway.com/index.php/JABE/article/view/4882. Acesso em: 4 jul. 2024.