Abreu, R. & Almeida, F. (2018). E-learning in mixed reality landscape: emerging issues and key trends in scientific research. In Luis Gómez Chova; Agustín López Martínez; Ignacio Candel Torres; (Ed.), 12th International Technology, Education and Development Conference (pp. 6181?6187). IATED. https://doi.org/10.21125/inted.2018.1455