@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 },
}