7Doloreux D, Amanra N. and Landry R. Mapping regional and sectoral characteristics of knowledge-intensive business services: evidence from the province of Quebec [J]. Growth and Change, 2008, 39(3):464-496.
8Aslesen, H. W. and Isaksen A. Knowledge intensive business services and urban industrial development [J]. Service Industries Journal, 2007, 27(3): 321-328.
9Freal, M. Patterns of technological innovation in knowledge-intensive business services [J]. Industry and Innovation, 2006, 13(3):335-358.
10Tether, B,S and Hipp, C. Knowledge intensive, technical and other services: Patterns of competitiveness and innovation compared [J]. Technology Analysis and Strategic Management, 2002,14(2):163-182.
