"USA." . . . . "Öffentliche Dienstleistung." . . "Verenigde Staten van Amerika." . . "Openbaar bestuur." . . "Publieke economie." . . . . "Alternatives for delivering public services toward improved performance"@en . . . . . . "Alternatives for delivering public services : toward improved performance" . . . "Alternatives for delivering public services" . . . . . . . . . . . . .