Gakkō tōhaigō
Subtitle: kōritsu chūshōgakkō ni kakaru shomondai
By: Yasuda Takakoi
Series: Chōsa to jōhō -- dai 640-gō = -- Issue brief -- no. 640
Publisher: Chōsa oyobi Rippō Kōsakyoku
Published: 2009
Place of publication: Tōkyō
Language: jpn
Number of pages: 10