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  <oai_dc:dc>
    <dc:title xmlns:dc="http://purl.org/dc/elements/1.1/">Mastering mathematical skills</dc:title>
    <dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">
   Gonis, Antonios
  </dc:creator>
    <dc:type xmlns:dc="http://purl.org/dc/elements/1.1/">text</dc:type>
    <dc:publisher xmlns:dc="http://purl.org/dc/elements/1.1/">Addison-Wesley</dc:publisher>
    <dc:date xmlns:dc="http://purl.org/dc/elements/1.1/">1981</dc:date>
    <dc:language xmlns:dc="http://purl.org/dc/elements/1.1/">N  </dc:language>
    <dc:subject xmlns:dc="http://purl.org/dc/elements/1.1/">hitung, ilmu</dc:subject>
  </oai_dc:dc>
</oai_dc:dcCollection>