Home › Authors › Tomoyoshi Hirai 👤 Tomoyoshi Hirai 2 books Books by Tomoyoshi Hirai Tōgō to teikō no seijigaku Tōgō to teikō no seijigaku 1985 30-nendai Sobieto gaiko no ken 30-nendai Sobieto gaiko no kenkyu (Osaka Shiritsu Daigaku hogaku sosho)