伊藤, 友治, Tomoharu, ITO, 元静岡県立浜松視覚特別支援学校長, Previous Principal of Shizuoka Prefectural Hamamatsu Special Needs Education School for the blind2012-03-31浜松学院大学教職センター紀要 = Collected treaties Hamamatsu Gakuin University Teacher Training Support Center1p.105-116