WASET
    Ilias A. Makris,  Innovative Activity and Firm Performance: The Case of Eurozone Periphery.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2015, vol. 100(4). 1156 - 1159
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/10001019.