Zalewska M. Cluster Structures as Factors Driving the Regional Economic Trends. Case Study of the Rural Areas of Radom Subregion. br [Internet]. 2010 Feb. 1 [cited 2024 May 10];(4 (18):47-5. Available from: https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/1403