[1. Andrei, T., Stancu, S., Pele, D.T. (2002) Statistica - Teorie si aplicatii, Editia a doua, Editura Economica, Bucuresti.]Search in Google Scholar
[2. Barro, R. (2000) „Education and Economic Growth”,International Handbook on the Economics of Education.]Search in Google Scholar
[3. Barro, R., Lee, J.W. (2011) „A New Data Set of Educational Attainment in the World 1950-2010”, NBER Working Paper 15902.10.3386/w15902]Search in Google Scholar
[4. Hawkes, D., Ugur, M. (2012) “Evidence on the relationship between education, skills and economic growth in low-income countries: A systematic review”, London: EPPI-Centre, Social Science Research Unit, Institute of Education, University of London.]Search in Google Scholar
[5. Hanushek, E., Wöϐmann, L. (2007) „Education Quality and Economic Growth”, World Bank Working Paper 39511.10.1596/1813-9450-4122]Search in Google Scholar
[6. Islam, N. (1995) „Growth Empicics: A Panel Data Approach”, The Quarterly Journal of Economics, Vol. 110, No.4.10.2307/2946651]Search in Google Scholar
[7. Mankiw, G., Romer, P., Weil, D. (1992) „A contribution to the Empirics of Economic Growth”, The Quarterly Journal of Economics, Vol. 107, No.2.10.2307/2118477]Search in Google Scholar
[8. Michaelowa, K. (2000) “Returns to Education in Low Income Countries: Evidence for Africa”, Paper presented at the annual meeting of the Committee on Developing Countries of the German Economic Association, 30/6/00.]Search in Google Scholar
[9. Mincer, J. (1995) „Economic Development, Growth of Human Capital, and the Dynamics of the Wage Structure”,Discussion Paper Series No. 744, Columbia University.]Search in Google Scholar
[10. Neagu, O. (2012) “Measuring the Effects of Human Capital on Growth in the case of Romania” Annals of Dunarea de JosUniversity, Galati, Fascicle I Economics and Applied Informatics, No 1/2012]Search in Google Scholar
[11. Psacharopoulos, G. (2007b) „The returns to investment in higher education: Methods, Data and Policy Implications”, Report on rates of return and funding models in Europe, Universidad Politecnica de Valencia, Centro de Estudios en Gestion de la Educacion Siperior.]Search in Google Scholar
[12. Pritchett, L. (2001) „Where Has All the Education Gone?”, The World Bank Economic Review, Vol. 15, No. 3.10.1093/wber/15.3.367]Search in Google Scholar
[ ***Barro & Lee Databases (2012)]Search in Google Scholar
[ ***Eurostat (2012), Statistics, Education, PISA.]Search in Google Scholar
[ ***United Nations, Population Division (2012) World Population Prospects, www.un.org ]Search in Google Scholar