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*1112 $aIFIP Open Conference$0(NO-TrBIB)90845492$_89552500
*24510$aInformatics and changes in learning :$bproceedings of the IFIP open conference$ceditors Anton Knierzinger, Margareta Moser
*260  $aLinz$bInst. for School and New Technology$c1993
*300  $aflere pag.$bill.
*653  $amatematikk$aundervisning$_11710500
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*999  $aoai:nb.bibsys.no:999920096893902202$b2021-11-14T20:35:07Z$z999920096893902202
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