营销相关因素 | 参考文献 | 使用频数 |
Rewards Giving | [72] | 1 |
Badges Upgrading | [43] | 1 |
Sales Promotion | [10] [25] [34] [73] | 4 |
Advertisements | [23] | 1 |
Promotional Campaigns | [44] | 1 |
Celebrity Endorser | [4] | 1 |
Aesthetic Appeal | [22] | 1 |
Vicarious Expression | [15] | 1 |
Immediate Promotion | [74] | 1 |
Delayed Promotion | [74] | 1 |