Azar, Samih Antoine. “Sovereign Credit Rating Announcements and Liquidity Shocks in the Lebanese Daily Foreign Exchange Market”. International Journal of Accounting & Finance Review 5, no. 1 (April 8, 2020): 66-83. Accessed March 1, 2021. https://www.cribfb.com/journal/index.php/ijafr/article/view/540.