2nd Global Conference on Psychology Researches (GCPR), Barcelona, İspanya, 28 - 29 Kasım 2014, cilt.190, ss.314-322
The concept of ruling a state was investigated by Machiavelli as early as in the sixteenth century. The concept gradually developed throughout centuries and finally achieved a certain level of maturity in today's politics. (C) 2015 The Authors. Published by Elsevier Ltd.