RT Book T1 Essentials of research methods in criminal justice and criminology A1 Hagan, Frank E. 1945- LA English PP Boston Munich u.a. PB Prentice Hall YR 2012 ED 3. ed. UL https://krimdok.uni-tuebingen.de/Record/1608530159 SN 0135121000 SN 9780135121009 K1 Criminology : Research : Methodology K1 Criminal justice, Administration of : Research : Methodology K1 Kriminologe : Forschungsmethode