?url_ver=Z39.88-2004&rft_id=10.1088%2F1755-1315%2F268%2F1%2F012087&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=V.&rft.aulast=Wongso&rft.au=Wongso%2C+V.&rft.date=2019&rft.issn=17551307&rft.title=The+effect+of+pH+in+the+synthesis+of+carbon+quantum+dots+from+rice+husk+on+their+photoluminescence+properties&rft.genre=proceeding