Häkkinen, N. (2018). Value co-creation in digital services: Case study on weight training and coaching within it.
Chicago-viite (17. p.)Häkkinen, Niko. Value Co-creation in Digital Services: Case Study on Weight Training and Coaching Within It. 2018.
MLA-viite (9. p.)Häkkinen, Niko. Value Co-creation in Digital Services: Case Study on Weight Training and Coaching Within It. 2018.
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