KÖKSEL, B. and YILMAZ, H. 2021. THE RELATION BETWEEN HUMAN CAPITAL AND ECONOMIC GROWTH: A STUDY ON GROUPS OF THE COUNTRIES WHICH HAVE DIFFERENT INCOMES. JOURNAL OF LIFE ECONOMICS. 8, 2 (May 2021), 157–171. DOI:https://doi.org/10.15637/jlecon.8.2.02.