2
Argitaratua 1999
Full text available from Accounting & Tax Database: 08/01/2006 to present
Baliabide elektronikoa Aldizkaria
3
Argitaratua 2000
Full text available from Canadian Business & Current Affairs Database: 05/07/1996 to 02/28/2002
Baliabide elektronikoa Aldizkaria