?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Wirach%2C+Taweepreda&rft.aulast=Wirach&rft.aufirst=Taweepreda&rft.issue=3S1&rft.volume=24&rft.date=September+2014&rft.issn=0868-3166&rft.atitle=Preparation+of+Positively+Charged+Membrane+from+Natural+Rubber+Latex+Blending+with+Chitosan&rft.title=Communication+in+Physics&rft.pages=51-56&rft.genre=article