?url_ver=Z39.88-2004&rft_id=10.1063%2F1.5126555&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=L.P.&rft.aulast=Wong&rft.au=Wong%2C+L.P.&rft.isbn=9780735419025&rft.issn=0094243X&rft.date=2019&rft.title=Effect+of+hydraulic+retention+time+on+volatile+fatty+acid+production+and+organic+degradation+in+anaerobic+digestion+of+palm+oil+mill+effluent&rft.genre=proceeding