1Xiaojing Zhang.Producer Service and the Added Value of Manufacturing Industries,an Empirical Research Based on Various Industries of Different Countries. . 2009
3Cohen S,Zysman J.Manufacturing matters: the myth of the Post-industrial economy. . 1987
4Browning,H,and Singelman.The Emergence of a Service Society:Demographic and Sociological Aspects of the Sectoral Transformation of the Labor Force in the USA. . 1975