. . . . . . . . "Case studies"@en . . . . . . . "Case studies of three interorganizational arrangements"@en . . . . . . . . . . . "Abt Associates." . . "National Institute of Education (U.S.)" . . "School management and organization." . . . . "Educational planning." . . "United States." . . "School management and organization United States." . . "Educational planning United States Case studies." . .