Wawrosz, Petr, and Jiri Mihola. “THE SHARE OF INTENSIVE AND EXTENSIVE FACTORS ON THE GDP DEVELOPMENT OF SELECTED EU COUNTRIES”. European Scientific Journal, ESJ 9, no. 10 (January 14, 2014). Accessed April 19, 2025. https://test.eujournal.org/index.php/esj/article/view/2288.