Nenkin kiroku mondai no keii to kadai
By: Higuchi Osamu
Series: Chōsa to jōhō -- dai 654-gō = -- Issue brief -- no. 654
Publisher: Kokuritsu Kokkai Toshokan Chōsa oyobi Rippō Kōsakyoku
Published: 2009
Place of publication: Tōkyō
Language: jpn
Number of pages: 10