Jigyō katsudō ni okeru kojin jōhō no shūshū riyō tō ni kansuru chōsa hōkoku
Publisher: Keizai Kikakuchō Kokumin Seikatsukyoku Shōhisha Gyōsei Daiichika
Published: 1986
Place of publication: [Tokyo]
Language: jpn
Number of pages: 69