Innovation Efficiency In Spain: An Analysis By Activity Branch. - María Auxiliadora de Vicente; María Rocío Guede; Francisco José Blanco Jiménez; Alberto Romero (ECMS, 2009)

An Exhaustive Approachment To The Innovation Efficiency In Spain. - María Rocío Guede; María Auxiliadora de Vicente; Desiré García Lázaro; José Javier Fernández (ECMS, 2012)