Fatma Didin Sonmez and  Pinar Sener,  Effects of Human Capital and Openness on Economic Growth of Developed and Developing Countries: A Panel Data Analysis.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2009, vol. 30(6). 998 - 1002
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/2443.