validity of two parole prediction scales
Subtitle: an eight year follow up study [by] Don M. Gottfredson and Kelley B. Ballard, Jr.
Contributors: Gottfredson, Don M; Ballard, Kelley B
Published: 1965
Place of publication: [Vacaville, Calif.]
Language: eng
Number of pages: 77
Subjects: Parole -- California