ebrary, Inc, Koivukoski, U., & Räisänen, V. (2005). Managing mobile services: Technologies and business practices. Wiley.
Chicago-čujuhus (17. p.)ebrary, Inc, Ulla Koivukoski, juo Vilho Räisänen. Managing Mobile Services: Technologies and Business Practices. Chichester, West Sussex ; Hoboken, NJ: Wiley, 2005.
MLA-čujuhus (9. p.)ebrary, Inc, et al. Managing Mobile Services: Technologies and Business Practices. Wiley, 2005.
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