伊藤 賢次. The Concept of QCD and The Competition of Ability Building -from the point of view of Customer Evaluation-. Production Management. 2004. 11. 2. 6
伊藤 賢次. Mechanism of TOYOTA's Competitive Power -Organizational Culture, Intellectual Creative Activity, Creative Destruction-. Gifu Shotoku Gakuen University 'REIS'. 2004. 5. 1・2. 42(57-98)
History of Labor Movement in Aichi Pref. No5 (1969-1973)(Collaboration)
Aichi Pref. Japan 2002
Enlarged Edition: International Business Management ?Internationalization of Japanese Firm and Activities in East Asia ?
Sousei-sha Publishing Co. Tokyo 2002