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CONTEMPORARY ENGINEERING SCIENCES

ISSN 1313-6569 (print)       ISSN 1314-7641 (online)


Ilya V. Osipov, Alex A. Volinsky, Evgeny Nikulchev, Dmitry Plokhov
      Study of monetization as a way of motivating freemium service users
      Contemporary Engineering Sciences, Vol. 8, 2015, no. 20, 911-918
      http://dx.doi.org/10.12988/ces.2015.57212

Copyright © 2015 Ilya V. Osipov, Alex A. Volinsky, Evgeny Nikulchev and Dmitry Plokhov. This article is distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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