Books by Masato Hachiya
Kodai chimei no kokugo gakutek
Kodai chimei no kokugo gakuteki kenkyū
Ronshū kodaigo no kenkyū
Ronshū kodaigo no kenkyū
Kodaigo keiyōshi no kenkyū
Kodaigo keiyōshi no kenkyū
Kodaigo no nazo o toku
Kodaigo no nazo o toku
Kokugo haseigo no go kōseiront
Kokugo haseigo no go kōseironteki kenkyū
Kokugo chōfukugo no gokōseironteki kenkyū