Leukefeld, Carl, Hope Smiley McDonald, Michele Staton, Allison Mateyoke-Scrivner, Matthew Webster, T.K. Logan, and Tom Garrity (2003). An employment intervention for drug-abusing offenders, Federal Probation 67(2): 27-32. Available at https://www.uscourts.gov/federal-probation-journal/2003/09/employment-intervention-drug-abusing-offenders.