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*035  $a(EXLNZ-47BIBSYS_NETWORK)999432170324702201
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*24500$aProblem solving in primary schools$cedited by Robert Fisher
*260  $aOxford$bBlackwell$c1987
*300  $a[4] bl., 264 s.$bill., fig.
*7001 $aFisher, Robert$0(NO-TrBIB)90134891$_66833900
*85642$3Forlagets beskrivelse (kort)$uhttps://contents.bibs.aws.unit.no/?isbn=9780631153740
*85642$3Forlagets beskrivelse (lang)$uhttps://contents.bibs.aws.unit.no/?isbn=9780631153740
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