Sūgakka ni okeru jugyō no kaizen
Subtitle: chūgakkō sūgakka
By: [henshū, Yokosuka-shi Kyōiku Kenkyūjo].
Series: Kiyō ; dai 101-gō
Publisher: Dō Kenkyūjo
Published: 1982
Place of publication: Yokosuka
Language: jpn
Number of pages: 29