?url_ver=Z39.88-2004&rft_id=10.4028%2Fwww.scientific.net%2FAMR.626.350&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Ariyanti%2C+S.&rft.aulast=Ariyanti&rft.aufirst=S.&rft.date=2013&rft.pages=350-354&rft.volume=626&rft.issn=10226680&rft.atitle=Improvement+of+hydrophobicity+of+urea+modified+tapioca+starch+film+with+lignin+for+slow+release+fertilizer&rft.title=Advanced+Materials+Research&rft.isbn=9783037855713&rft.genre=article