1
Julkaistu 1980
“...Public Service Research Foundation (Vienna, Va.)...”Full text available from ABI/INFORM Global: 01/01/2000 to 2001
Elektroninen
Aikakauslehti
2
Julkaistu 2002
“...Public Service Research Foundation (Vienna, Va.)...”Full text available from ABI/INFORM Global: 10/01/1987 to 12/31/1998
Full text available from ABI/INFORM Global: 2002 to 02/29/2004
Elektroninen
Aikakauslehti