共 67 条
[31]
Jacobson B., 2018, POSTFUNNEL 0719
[33]
Kannan PK, 2013, REV MARKET RES, V10, P97, DOI 10.1108/S1548-6435(2013)0000010008
[34]
Klotzbach C., 2016, FLURRY INSIGHTS 0512
[35]
Lagace M., 2018, ANDROID CENTRAL 0221
[36]
Fee or Free: When Should Firms Charge for Online Content?
[J].
MANAGEMENT SCIENCE,
2017, 63 (04)
:1150-1165
[37]
How do firms make money selling digital goods online?
[J].
MARKETING LETTERS,
2014, 25 (03)
:331-341
[39]
Lee Clarence., 2017, Designing Freemium: Balancing Growth and Monetization Strategies
[40]
Li H. A. S., 2019, J MARKETING RES