85
Argitaratua 1997
Full text available from Canadian Business & Current Affairs Database: 01/01/1998 to 01/31/2002
Baliabide elektronikoa Aldizkaria
88
Full text available from Psychology Database: 01/01/2020 to 1 year ago
Baliabide elektronikoa Aldizkaria
92
Argitaratua 1987
Full text available from Computer Science Database: 08/06/2013 to present
Baliabide elektronikoa Aldizkaria