Helmsing, A. H. J. (1999). Flexible specialisation, clusters and industrial districs 'second' and 'third generation' regional policies. Institute of Social Studies.
Chicago Style aipamenaHelmsing, A. H. J. Flexible Specialisation, Clusters and Industrial Districs 'Second' and 'Third Generation' Regional Policies. The Hague: Institute of Social Studies, 1999.
MLA aipamenaHelmsing, A. H. J. Flexible Specialisation, Clusters and Industrial Districs 'Second' and 'Third Generation' Regional Policies. Institute of Social Studies, 1999.
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