Show 100 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 P" or (type any "bookEditor journalEditor issueEditor" and editor="Cau... Add to list Journal Article A1 Modeling the structure and operation of drug supply chains : the case of cocaine and heroin in Italy and Slovenia Jonathan P Caulkins, Emma Disley, Marina Tzvetkova, Mafalda Pardal (UGent) , Hemali Shah and Xiaoke Zhang (2016) INTERNATIONAL JOURNAL OF DRUG POLICY. 31. p.64-73