WASET
    Harri Jalonen,  Social Media as a ‘Service’ for Value Co-Creation by Integrating Sponsoring Companies, Sports Entities and Fans.   journal   = {International Journal of Sport and Health Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2017, vol. 121(1). 13 - 20
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10005988.