WASET
    Olga Novikova and  Timo Vuori,  Business Model Topology in Emerging Business Ecosystem.   journal   = {International Journal of Industrial and Systems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2013, vol. 75(3). 759 - 762
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/6271.