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www.perspektiva-inva.ru kipchatov@perspektiva-inva.ru
1997 . :4 / 1
. 2012 .:63 / 11 70 %
:
C----
www.obrazovanie.perspektiva-inva.ru/?121
8 2008
(Gary Bunch).
5 (15 )
2008 2011
30
1000
30
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