?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.matpr.2022.06.493&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Kumar%2C+V.&rft.aulast=Kumar&rft.aufirst=V.&rft.title=Effective+treatment+of+oily+sludge+for+biogas+and+methane+gas+production+at+mesophilic+using+anaerobic+batch+reactor+(AnBR)&rft.date=2022&rft.issn=22147853&rft.genre=proceeding