Çelik, Ahmet, Polis Akademisi Başkanlığı A.Gaffar Okkan PMYO, Turkey

• Journal of Human Sciences Vol. 8 No. 2 (2011) - Sociology
  Why crime dropped during Giuliani’s term in New York: A glance to crime prevention policies
  Abstract  PDF (Türkçe)
• Journal of Human Sciences Vol. 9 No. 2 (2012) - Political Science
  From modernisation to globalization Turkey’s path
  Abstract  PDF