Kyodaikasuru jūtaku sangyō
Subtitle: daikigyō shinshutsu to gurūpu-ka no jittai : tokubetsu shijō chōsa hōkoku
Publisher: Marunouchi Risāchi Sentā
Published: 1969
Place of publication: Tōkyō
Language: jpn
Number of pages: 722
Notes: "Shōwa 44-nenban."