M. KORRES G, KOKKINOU A, O. TSOBANOGLOU G. THE ROLE AND THE EFFECTS OF NATIONAL SYSTEMS OF INNOVATION IN EUROPEAN REGIONAL GROWTH. EJG [Internet]. 2013 Jun. 1 [cited 2025 Nov. 6];4(2):6-16. Available from: https://eurogeojournal.eu/index.php/egj/article/view/530