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74 | N35 |
Neil, S. B. Only the Best. 1990 [Текст] : The Annual Guide to Highest-Rated Educational Software. Preschool-Grade 12 / Sh.B. Neil, G. W. Neil. – New York Chicago Columbus : R.R.Bowker, 1989. – 136p. – 200000.00.
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ISBN 0-8352-2766-9 | УДК 37 ББК 74 |
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