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© May 2005 Lorentz JÄNTSCHI && Sorana Daniela BOLBOACĂ

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 I02 Education D004493 +
  I02.903 Teaching D013663 +
   I02.903.191 Educational Technology D018961 


 J01 Technology, Industry, and Agriculture D013676 +
  J01.897 Technology D013672 +
   J01.897.280 Educational Technology D018961