Home › Authors › Manabu Ishioka 👤 Manabu Ishioka b. 1977 · 2 books Books by Manabu Ishioka Danjo kyōgaku no seiritsu Danjo kyōgaku no seiritsu 2021 "Kyōiku" to shite no shokugyō "Kyōiku" to shite no shokugyō shidō no seiritsu 2011