Tōkyō no yūbō jigyō bun'ya 21
Series: Jigyō sōzō jigyō kakushin no tame no chōsa kenkyū hōkokusho
Publisher: Tōkyō-to Shōkō Shidōsho
Published: 1997
Place of publication: Tōkyō
Language: jpn
Number of pages: 168