RT Article T1 The role of research and planning units in law enforcement organizations JF Policing VO 34 IS 4 SP 687 OP 698 A1 Haberman, Cory P. A1 King, William R. A2 King, William R. LA English YR 2011 UL https://krimdok.uni-tuebingen.de/Record/1912693178 DO 10.1108/13639511111180289