kureiton . kurisutensen

 inobeshon no jirenma - gijutsukakushin ga kyodai kigyou wo horobo sutoki (Harvard business school press)  kyouiku X hakaiteki inobeshon kyouikugenba wo bapponteki ni henkaku suru  inobeshon heno kai shuueki aru seichou ni muke te (Harvard business school press)
www.learn-japan.org(romaji/hira/kata/hirakata)