Seikatsu hogo seido minaoshi no kadai
By: Itō Masayuki.
Series: Chōsa to jōhō -- dai 494-gō = -- Issue brief -- no. 494
Publisher: Kokuritsu Kokkai Toshokan Chōsa oyobi Rippō Kōsakyoku
Published: 2005
Place of publication: Tōkyō
Language: jpn
Number of pages: 10