PLoS ONE 9(1): e87262. doi:10.1371/journal.pone.0087262
You can also register into a free online course
https://www.open.edu/openlearncreate/course/view.php?id=13
This report presents the findings from the Community Based Volunteers Skill Audit Survey that was carried out in 11 districts in Zambia as part of the Millennium Development Goal Acceleration Initiative.
International Journal of Drug Policy 24 (2013) e91-98