Books listed by ISBN
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Holt McDougal
> L.Richard Hoffman
L.Richard Hoffman
title
ISBN-13
(ISBN-10)
year of publication
The Group problem solving process: Studies of a valence model
978-O-O3-O47636-5
(O-O3-O47636-4)
1979
L -H
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L Hoffman
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L. R.
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R. Hoffman
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Richard H.
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Richard Hoffman
L. Richardson