Hogo kansatsu taishōsha no bunrui no kijun ni kansuru kenkyū
By: [henshū Hōmu Sōgō Kenkyūjo]
Series: Hōmu Sōgō Kenkyūjo Kenkyūbu hōkoku -- 30
Publisher: Hōmu Sōgō Kenkyūjo
Published: 2006
Place of publication: Tōkyō
Language: jpn
Number of pages: 84
Subjects: Criminals; Rehabilitation; Probation
Notes: Cover title.