Azar, S. A. and Salha, A. (2017) “The bias in the long run relation between the prices of Brent and WTI crude oils”, International Journal of Energy Economics and Policy, 7(1), pp. 44–54. Available at: https://econjournals.com/index.php/ijeep/article/view/3368 (Accessed: 29 March 2024).