KKokugoshi sōronKokugoshi sōronde Shichirō Murayama, Akira MatsumuraMateriasJapanese languageHistoryStudy and teachingDialectsEdiciones (1)Kokugoshi sōron (1977)Taishūkan Shoten · japonésMás obras de Shichirō MurayamaRRoshia bengoRoshia bengoNNihongo no tanjōNihongo no tanjōNNihongo no kigen to gogenNihongo no kigen to gogen