Asheim, Bjørn. “DIFFERENTIATED KNOWLEDGE BASES AND VARIETIES OF REGIONAL INNOVATION SYSTEMS”. Innovation: The European Journal of Social Science Research, vol. 20, no. 3, 2007, pp. 223-41, https://doi.org/10.1080/13511610701722846.
Asheim, B. (2007). DIFFERENTIATED KNOWLEDGE BASES AND VARIETIES OF REGIONAL INNOVATION SYSTEMS. Innovation: The European Journal of Social Science Research, 20(3), 223-241. https://doi.org/10.1080/13511610701722846
Asheim B. DIFFERENTIATED KNOWLEDGE BASES AND VARIETIES OF REGIONAL INNOVATION SYSTEMS. Innovation: The European Journal of Social Science Research. 2007;20(3):223-41.