1. Akdi, Y. (2010). Time Series Analysis: Unit Roots and Cointegration. Gazi Bookstore. Ankara. (In Turkish).
2. Alp, İ.A. (2013). The Economic Impacts of Terrorism. Journal of International Security and Terrorism. Vol.: 4 (1). (In Turkish).
3. Artis, M., Clavel, J.G., Hoffmann, M. and Nachane, D. (2007). Harmonic Regression Models: A Comparative Review with Applications. Working Paper Series No. 333. Institute for Empirical Research in Economics. University of Zurich.
4. Bal, A.M. (2003). Modern State and Security. IQ Culture and Art Publishing. İstanbul. (In Turkish).
5. Bowie, N.G. (2017). Terrorism Events Data: An Inventory of Databases and Data Sets 1968-2017. Research Notes. Terrorism Research Initiative.