Articoli pubblicati da: 
Medal, A.Risultato della ricerca:   (3 titoli )
| An efficiency ranking of spanish seaports using FDH methodology | 
International journal of transport economics - 2011
| An efficiency analysis with tolerance of the Spanish port system | 
International journal of transport economics - 2004
| The traffic in Spanish ports: An efficiency analysis | 
International journal of transport economics - 2002