NNihongo kyōiku ronshūNihongo kyōiku ronshūde Yasuo YoshidaMateriasJapanese languageStudy and teachingEdiciones (1)Nihongo kyōiku ronshū (1991)Gakushū Kenkyūsha · japonésMás obras de Yasuo YoshidaNihongo no chiheisenJJapanese for todayJapanese for todayXXian dai Ri yuXian dai Ri yu