「外国人労働者問題の展望-国際比較の観点から(Overview of the Issue of Foreign Workers from a Comparative View)」. 季刊労働法. 2005. 208. 95-104
‘Enterprise Unionism in Crisis in Japan’. Cuadenos de Difusion ESAN. 2004. 16. 7-19
‘Changing Employment Relations in Four East Asian Countries (China, Japan, South Korea and Taiwan)-A Comparative Overview’. Waseda Business and Economic Studies. 2004. 40. 1-23