1. American Probation and Parole Association's Drug Testing Guidelines for Adult Probation and Parole Agencies;American Probation and Parole Association,1991
2. Corporate experience with drug testing programs;Axel,1990
3. Constructing optimal drug-testing plans using a Bayesian acceptance sampling model;Baker;Mathematical and Computer Modeling,1993
4. A contribution to the problem of choosing a sampling inspection plan;Caplen;The Quality Eng.,1962
5. Drugs and Crime: Controlling Use and Reducing Risk through Testing;Carver,1986