Kokugoka ni okeru kyōzai kaihatsu
Subtitle: Jugyō soshikiryoku no mondai
By: Ogawa Toshio cho.
Series: Kokugo no jugyō -- 6
Publisher: Kokudosha
Published: 1979
Place of publication: Tokyo
Language: jpn
Number of pages: 197
Subjects: Japanese language -- Study and teaching (Elementary) -- Japan