?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Tedy+%2C+Machmud&rft.aulast=Tedy+&rft.aufirst=Machmud&rft.atitle=Scaffolding+Strategy+In+Mathematics+Learning&rft.title=PROCEEDINGS+International+Seminar+and+the+Fourth+National+Conference+on+Mathematics+Education&rft.date=2011&rft.issn=978-979-16353-7-0&rft.genre=article