?url_ver=Z39.88-2004&rft_id=10.1088%2F1742-6596%2F1123%2F1%2F012052&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=A.H.&rft.au=Ab+Rahim%2C+A.H.&rft.aulast=Ab+Rahim&rft.title=Extraction+and+Comparative+Analysis+of+Lignin+Extract+from+Alkali+and+Ionic+Liquid+Pretreatment&rft.issn=17426588&rft.date=2018&rft.genre=proceeding