Borger W, Hummel G-J, Samplonius S. Conceptualizing Export Growth in the Context of Triple Helix in Shrinking Regions A Case Study of South East Drenthe (The Netherlands). ESJ [Internet]. 2017 May 10 [cited 2025 Apr. 29];13(12). Available from: https://test.eujournal.org/index.php/esj/article/view/9185