?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.matpr.2022.12.018&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=N.&rft.aulast=Afifah+Khalil&rft.au=Afifah+Khalil%2C+N.&rft.issn=22147853&rft.title=Magnetic+chitosan+hydrogel+beads+as+adsorbent+for+copper+removal+from+aqueous+solution&rft.date=2022&rft.genre=proceeding