?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=wirman%2C+adia+putra&rft.aufirst=adia+putra&rft.aulast=wirman&rft.atitle=Determination+of+Total+Saponin+Content+and+Antioxidant+Activity+Using+DPPH+(2%2C2-diphenyl-1-picrylhydrazyl)+Method+of+70%25+Ethanol+Extract+of+Sidaguri+Leaves+(Sida+rhombifolia+L.)&rft.title=International+Journal+of+Engineering%2C+Science+and+InformationTechnology&rft.genre=article