2
Έκδοση 1948
Full text available from ABI/INFORM Global: 09/01/1994 to present
Full text available from Healthcare Administration Database: 09/01/1994 to present
Full text available from Research Library: 09/01/1994 to present
Κυβερνητικό Έγγραφο Ηλεκτρονική πηγή Επιστημονικό περιοδικό
3
Έκδοση 2004
Full text available from ABI/INFORM Global: 01/01/1999 to 12/31/2005
Full text available from Healthcare Administration Database: 01/01/1999 to 12/31/2005
Ηλεκτρονική πηγή Επιστημονικό περιοδικό
5
Full text available from ABI/INFORM Global: 08/01/1987 to present
Full text available from Political Science Database: 08/01/1987 to present
Full text available from Research Library: 08/01/1987 to present
Ηλεκτρονική πηγή Επιστημονικό περιοδικό