@Article{ GRIOL_CALLEJAS:30-43,

author = { DAVID GRIOL BARRES and ZORAIDA CALLEJAS CARRIÓN } ,

title = { Teaching and learning abstract concepts by means of social virtual worlds },

journal = { International Journal of Virtual and Augmented Reality },

year = { 2017 },

volume = { 1 },

pages = { 30-43 },

}