(2004). Unfulfilled Promise: Ensuring High Quality Teachers for Our Nation's Students. Center for Teaching Quality, Inc.
Lua i Stíl Chicago (17ú heag.)Unfulfilled Promise: Ensuring High Quality Teachers for Our Nation's Students. Center for Teaching Quality, Inc, 2004.
Lua MLA (9ú heag.)Unfulfilled Promise: Ensuring High Quality Teachers for Our Nation's Students. Center for Teaching Quality, Inc, 2004.
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