Pribac, L., and A. Anghelina. “Human Capital - The Effects of Education on Economic Growth Within the European Union”. Studia Universitatis „Vasile Goldiş” Arad, Seria Ştiinţe Economice, vol. 25, no. 3, Aug. 2015, pp. 35-44, http://publicatii.uvvg.ro/index.php/studiaeconomia/article/view/229.