ONLINE TOOLS FOR VOCABULARY TEACHING

Deterding, S., Dixon, D., Khaled, R., & Nacke, L. (2011). From Game Design Elements to Gamefulness: Defining "Gamification". In Proceedings of the 15th International Academic MindTrek Conference: Envisioning Future Media Environments (pp. 9-15).

Kukulska-Hulme, A., & Shield, L. (2008). An Overview of Mobile Assisted Language Learning: From Content Delivery to Supported Collaboration and Interaction. ReCALL, 20(3), 271-289.

Li, X., & Hegelheimer, V. (2013). Internet-Based Language Teaching and Learning: A Literature Review. Journal of Educational Technology & Society, 16(2), 356-366.

Wang, Y., & Hannafin, M. J. (2005). Design-Based Research and Technology-Enhanced Learning Environments. Educational Technology Research and Development, 53(4), 5-23.