RRyūkyūkan yakugoRyūkyūkan yakugode Shin'ichi Ōtomo, Akira KimuraMateriasRyukyuan languageTextbooks for foreign speakersChineseLiu-chʻiu kuo i yüEdiciones (1)Ryūkyūkan yakugo (1979)Kobayashi Insatsu Kabushiki Kaisha Shuppanbu · japonésMás obras de Shin'ichi ŌtomoBBenkei monogatariBenkei monogatariKKana mojizukaiKana mojizukaiMMuromachi jidai no kokugo onsei no kenkyūMuromachi jidai no kokugo onsei no kenkyū