M Tuah, Nooralisa, Vanissa Wanick, Ashok Ranchhod, and Gary B Wills. 2017. “Exploring Avatar Roles for Motivational Effects in Gameful Environments”. EAI Endorsed Transactions on Creative Technologies 4 (10):e3. https://doi.org/10.4108/eai.4-9-2017.153055.