Author Željko Perić

 Born in Belgrade 29.03.1972 the municipality of Savski Venac.
 Graduated at the technical and mathematical school in OC "Milentije Popović" in Smederevo,
 direction of Natural Sciences, occupation mathematical programming assistant.
 Studied
 IT at the college for information technology and organization of work
in Smederevo.
 Currently lives
and works in Smederevo
,  st. Karađorđeva 16  V  floor  apartment 33, 11300 Smederevo.
 Contact telephone number
+381 069 1  236 766