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"Impact of Free-Certificate Coupons on Learner Behavior in Online Courses: ..."
Joshua Littenberg-Tobias, José A. Ruipérez-Valiente, Justin Reich (2019)
- Joshua Littenberg-Tobias, José A. Ruipérez-Valiente, Justin Reich:
Impact of Free-Certificate Coupons on Learner Behavior in Online Courses: Results from Two Case Studies. L@S 2019: 41:1-41:4
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