Tokubetsu kenkyū "Nihon ni okeru saikin no shussanryoku suijun no chiikisa to sono yōin ni kansuru sōgōteki kenkyū" no chōsa kekka
Subtitle: gaihō oyobi shuyō kekkahyō
Series: Jinkō Mondai Kenkyūjo tokken chōsa hōkoku shiryō; Jinkō Mondai Kenkyūjo tokubetsu kenkyū hōkoku shiryō
Publisher: Kōseishō Jinkō Mondai Kenkyūjo
Published: 1980
Place of publication: Tōkyō
Language: jpn
Number of pages: 184