Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Caulkins, Jonathan" or (type any "bookEditor issueEditor" and editor="Caulkins, Jonathan") Add to list Conference Paper C3 The structure and operation of the supply chains for cocaine and heroin in Italy and Slovenia Jonathan Caulkins, Emma Disley, Marina Tzvetkova, Mafalda Pardal (UGent) , Hemali Shah and Xiaoke Zhang (2015) 9th Annual Conference of the ISSDP, Abstracts. Add to list Miscellaneous Multinational overview of cannabis production regimes Beau Kilmer, Kristy Kruithof, Mafalda Pardal (UGent) , Jonathan Caulkins and Jennifer Rubin (2013) Add to list Book Chapter Drugs in figures III: study of public expenditures on drug control and drug problems Delfine Lievens (UGent) , Freya Vander Laenen (UGent) , Jonathan Caulkins and Brice De Ruyver (UGent) (2012) European criminal justice and policy. In Governance of Security Research Paper Series 7. p.41-63