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The world of learning 1992 6 6 - Forty-second edition - - xv, 2021 pages - - - - - . - . - 0 . - . - 0 .







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ISBN: 0-946653-68-2 (hardcover)

ISSN: 2 = =

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Nat. Bib. No.: 2

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LC Class. No.: / 2

Dewey Class. No.: R 378.155025 / W893 19922

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