WASET
    Andrus Pedai and  Igor Astrov,  Proactive Approach to Innovation Management.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2014, vol. 91(7). 2271 - 2275
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/9998874.