Search results for: Maria Conceição A. Silva Portela
Economics Letters > 2014 > 124 > 1 > 108-112
European Journal of Operational Research > 2007 > 177 > 2 > 1275-1288
Journal of Productivity Analysis > 2006 > 25 > 1-2 > 25-41
Annals of Operations Research > 2006 > 145 > 1 > 129-147
Journal of Productivity Analysis > 2003 > 19 > 2-3 > 251-269