1. Arab News. 2018. “Saudi-led Coalition Threatens Retaliation against Iran over Missiles.” March 26. http://www.arabnews.com/node/1274016/saudi-arabia
2. Arab News. 2019. “Arab Coalition: Iran Provided Weapons Used to Attack Saudi Aramco Sites.” September 16. https://www.arabnews.com/node/1555351/saudi-arabia
3. The Armed Conflict and Location and Event Data Project (ACLED). 2019. Over 100,000 Killed in Yemen War. https://www.acleddata.com/tag/yemen/
4. Associated Press. 2019. “The Latest: Yemen’s Houthi Rebels Launch Saudi Drone Attack.” June 16. https://apnews.com/8e44b6293c5446d1bb4f66b9fdc77b97
5. Israel and Iran in the New Middle East