The Foreword to the“Ideas of Revitalizing Kansai Economy”edited by Cyber Tekijuku. http://www.tekijuku.ne.jp/Member/koza_hiroba/secdousoukai/1jukusei/idea_1.html <not open to the public>(Cyber Tekijuku,Virtual Graduate School of Kansai Keizai Doyukai). 2003
The Studies on Development of Digital Economy and on Industrial Competitiveness and Company's Activities in the Kansai Region(Kansai Institute for Social and Economic System Research,the present Kansai Institute for Social and Economic Research)
2000 - 2001