Social Influence on Being a Pay User in Freemium-based Social Networks
Keyword(s):
2014 ◽
Vol 25
(9)
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pp. 2286-2296
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Keyword(s):
2005 ◽
Vol 9
(4)
◽
pp. 360-375
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2006 ◽
Vol 34
(2)
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pp. 315-334
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