“The Risks of Derivatives Contracts and Their Reflections on the Global Financial Crisis Analytical Study in (Toronto – Dominion) Bank”. Journal of Economics and Administrative Sciences 24, no. 103 (August 1, 2018): 150. Accessed May 3, 2024. https://jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/108.