Kensatsu Shinsakai seido ni kansuru seron chōsa
Subtitle: Heisei 2-nen 10-gatsu chōsa
Series: Seron chōsa hōkokusho
Publisher: Naikaku Sōri Daijin Kanbō Kōhōshitsu
Published: 1990
Place of publication: [Tokyo]
Language: jpn
Number of pages: 39