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 26

         100 Award-Winning Science Fair Projects,   2002 .  Sterling Publishing Company, Inc.
   

  .  . 100  ,      : , , , : .   /  . - .: ACT: , 2008. - 287, .: .
 ISBN 978-5-17-047478-3 (ACT)
 ISBN 978-5-271-18344-7 ()
 SBN 0-8069-4261-4 (.)
  087.5:5

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