1. Volunteers in criminal justice: A three-year evaluation;Anderson,1978
2. The viability of the volunteers in court programs: An analysis of the conceptual foundations and the empirical research;Baker,1974
3. The volunteer in parole program;Berman;Criminology,1975
4. An experiment in parole supervision;Berman;Evaluation quarterly,1978
5. Experimental and quasi-experimental design for research;Campbell,1966