KARCZYŃSKI, Łukasz. Loss on „Toxic” Currency Options and Forward Contracts as a Tax-Deductible Expense in Corporate Income Tax – General Issues. Financial Law Review, [S. l.], v. 1, n. 1, p. 11–22, 2016. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/flr/article/view/931. Acesso em: 14 may. 2024.