?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=P.&rft.au=Rizky+Oktaviana+E.%2C+P.&rft.aulast=Rizky+Oktaviana+E.&rft.title=Proceeding+of+International+Conference+On+Research%2C+Implementation+And+Education+Of+Mathematics+And+Sciences+2014&rft.date=May+2014&rft.atitle=IMPLEMENTATION+OF+COOPERATIVE+LEARNING+WITH+TALKING+CHIPS+TECHNIQUE+ON+SOLIDS+MATERIAL&rft.genre=article