RT Book T1 Employee drug-testing policies in prison systems T2 Research in action / National Institute of Justice A1 Guynes, Randall A1 Coffey, Osa A2 Coffey, Osa LA English PP Washington, DC PB U.S. Dep. of Justice, National Inst. of Justice YR 1988 UL https://krimdok.uni-tuebingen.de/Record/1092054588