Home › Authors › Hideharu Ōta 👤 Hideharu Ōta b. 1973 · 2 books Books by Hideharu Ōta Kindai no koseki kūkan to Nitc Kindai no koseki kūkan to Nitchō kankei 2008 Chōsen no eki to Nitchō jōkakushi no kenkyū 2006
