| The nature and extent of marihuana possession in British Columbia / Kale Pauls, Darryl Plecas, Irwin M. Cohen, & Tara Haarhoff. |
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2013 |
| Challenges associated with interpreting and using police clearance rates / Amanda V. McCormick, Tara Haarhoff, Irwin M. Cohen, Darryl Plecas, & Kevin Burk. |
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2012 |
| Setting the stage for improved efficiency and effectiveness : a review of Victoria Police Department operations / Darryl Plecas, Tara Haarhoff, Irwin Cohen, and Kevin Burk. |
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2012 |
| The planning and execution of security for the 2010 Winter Olympic Games : 38 best practices and lessons learned / Darryl Plecas, Martha Dow, Jordan Diplock, and John Martin ; research team Jennifer Armstrong, Tara Haarhoff, Jason Levine, Rebecca Richardson, Kristen Chaisson, and Jeff Houlihan. |
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2010 |
| Police drug sample submissions to the Health Canada Drug Analysis Service Laboratory and police statistics on drug offences in British Columbia 2004-2008 : a comparative analysis of the decline / Darryl Plecas, Irwin M. Cohen, and Amanda V. McCormick, Tara Haarhoff. |
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2009 |
| Police statistics on marijuana drug files in Surrey, the Lower Mainland, and the rest of British Columbia 2004-2008 : a comparative analysis / Irwin M. Cohen, Darryl Plecas, Amanda V. McCormick, & Tara Haarhoff. |
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2009 |