https://theconversation.com/russias-disastrous-decision-to-invade-poland-in-1920-has-parallels-with-putins-rhetoric-over-ukraine-213016
https://www.iiss.org/publications/strategic-dossiers/iran-dossier/iran-19-03-ch-1-tehrans-strategic-intent
https://www.euromesco.net/wp-content/uploads/2018/01/20180110-EuroMeSCo-Policy-Brief-78-Turkey-Fight-Against-Youth-Radicalisation.pdf