Blar i Publikasjoner fra CRIStin på forfatter "Kristoffersen, Ragnar"
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Correctional statistics of Denmark, Finland, Iceland, Norway and Sweden 2009-2013
Kristoffersen, Ragnar (KRUS Rapport;1/2014, Research report, 2014) -
Correctional statistics of Denmark, Finland, Iceland, Norway and Sweden 2010-2014
Kristoffersen, Ragnar (Research report, 2016) -
Nytt om isolasjon i fengsel
Kristoffersen, Ragnar (Journal article, 2013) -
Relapse Study in the Correctional Services of the Nordic Countries : Key Results and Perspectives
Kristoffersen, Ragnar (Journal article, 2013) -
Testing the Static-99R as a Global Screen for Risk of Sex Crime Recidivism in a Norwegian Routine Sample
Sandbukt, Ingeborg Jenssen; Skardhamar, Torbjørn; Kristoffersen, Ragnar; Friestad, Christine (Peer reviewed; Journal article, 2020)