Bōryokudan ni kansuru seron chōsa
Subtitle: Heisei 5-nen 1-gatsu chōsa
Series: Seron chōsa hōkokusho
Publisher: Sōrifu Naikaku Sōri Daijin Kanbō Kōhōshitsu
Published: 1993
Place of publication: Tōkyō
Language: jpn
Number of pages: 95
Other titles: Bōryokudan ni kansuru yoron chōsa