@conference {250,
	title = {Usability Collaborative Evaluation in T-Learning Services: State of the Art},
	booktitle = {International Journal On Human-Computer Interaction.},
	year = {2012},
	month = {2012},
	publisher = {Eminds},
	organization = {Eminds},
	address = {Espa{\~n}a},
	isbn = {1697-9613 (print) - 1887-3022 (online). },
	url = {http://www.researchgate.net/publication/220366683_Usability_Collaborative_Evaluation_in_T-Learning_Services_State_of_the_Art},
	author = {Jos{\'e} Luis Arciniegas Herrera and C{\'e}sar Alberto Collazos and Andr{\'e}s Fernando Solano Alegr{\'\i}a and Cristian Rusu}
}
