Chikatetsu unchin seido to sore o kisozukeru zaisei enjo seido
Series: Heisei 7-nendo Dai 38-kai Tōkyō-to shokuin kaigai kenkyū hōkoku -- no. 10
Publisher: Tōkyō-to Shokuin Kenkyūjo
Published: 1997
Place of publication: [Tokyo]
Language: jpn
Number of pages: 45
Notes: Report prepared by Shigetomi Eiichi. Cf. pref.