Explore Books on
koji jukugo

Nihongo no naka no Chūgoku koji

By Shōjirō Kobayashi

Jūsō to renkan

By Naoko Yamada

四字熟語の教え

By 村上哲見,島森哲男

Koji seigo no tanjō to hen'yō

By Kunihiro Yuasa