Nettairin mondai
By: Aoki Mie
Series: Chōsa to jōhō -- dai 147-gō = -- Issue brief -- no. 147; Chōsa to jōhō -- dai 147-gō.
Publisher: Chōsa oyobi Rippō Kōsakyoku
Published: 1991
Place of publication: Tōkyō
Language: jpn
Number of pages: 18