C. Wilkins and others, “Recent changes in the methamphetamine scene in New Zealand: preliminary findings from key informant surveys of drug enforcement officers and drug treatment workers”, paper presented at a Centre for Social and Health Outcomes Research and Evaluation (SHORE) Seminar, Auckland, New Zealand, 16 January 2004.
C. Wilkins et al., "Recent changes in the methamphetamine scene in New Zealand: preliminary findings from key informant surveys of drug enforcement officers and drug treatment workers", document présenté au Centre for Social and Health Outcome Research and Evaluation (SHORE) Seminar, Auckland (Nouvelle-Zélande), 16 janvier 2004)