Takashi KATSUMATA. A Reprint and Bibliographical Introduction to "Koshikibu", a Medieval Tale in the Taku Provincial Materials Museum. Bulletin of Faculty of Education Nagasaki University. 2012. 78. 1-15
Takashi KATSUMATA. Some Problems related to the Autumun Mstriculation in Japanese Universities : From the perspective of the word ' Internationalization'. Language and Culture. 2012. 9. 25-34