The role of police in achieving security on the Danube as international waterways in Serbia Vladimir M. Cvetković1, Boban Milojković1, Dragan Mlađan1, Slobodan Miladinović1   1 The Academy of Criminalistic and Police Studies, Cara Dušana 196, Belgrade, Serbia; vladimir.cvetkovic@kpa.edu.rs ABSTRACT  Danube as an international navigable river in Serbia and water main roads of […]