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Encyclopedia of educational research 6 6 editor in chief, Marvin C. Alkin with the assistance of Michele Linden, Jana Noel, and Karen Ray. - Sixth edition - - 4 volumes : illustrations - - - - - . - . - 0 . - . - 0 .







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0-02-900431-4 (set : hardcover : alk. paper);0-02-896495-0 (vol. 1)

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R 370.3 / En19 19922

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