Yayla, Ahmet S., and Colin P. Clarke. "Turkey?s Double ISIS Standard." Foreign Policy (2018).

Speckhard, Anne, and Ahmet S. Yayla. "Eyewitness Accounts from Recent Defectors from Islamic State: Why They Joined, What They Saw, Why They Quit." Perspectives on Terrorism 9, no. 6 (2015):  95-118.