Windham, D. M. (1990). The evaluation of educational efficiency: Constraints, issues, and policies. JAI Press.
Lua i Stíl Chicago (17ú heag.)Windham, Douglas M. The Evaluation of Educational Efficiency: Constraints, Issues, and Policies. Greenwich, Conn.: JAI Press, 1990.
Lua MLA (8ú heag.)Windham, Douglas M. The Evaluation of Educational Efficiency: Constraints, Issues, and Policies. JAI Press, 1990.
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