Tōki gyōsei kansatsu kaizen sochi jōkyō chōsa kekka hōkokusho
Subtitle: kiō kankoku jikō no suishin ni kansuru gyōsei kansatsu
Publisher: Sōmuchō Gyōsei Kansakukyoku
Published: 1999
Place of publication: [Tokyo]
Language: jpn
Number of pages: 69
Notes: "L 111."