?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Widawati%2C+Mutiara&rft.aulast=Widawati&rft.aufirst=Mutiara&rft.date=2015&rft.issue=1&rft.atitle=Study+of+Herbal+Topical+Repellent+Made+of+Betel+Leaves+(Piper+betle)+and+Patchouli+Oil+(Pogostemon+cablin)+Mixture+Against+Yellow+Fever+Mosquito+(Aedes+aegypti)&rft.title=BIOTROPIA+-+The+Southeast+Asian+Journal+of+Tropical+Biology&rft.issn=0215-6334&rft.volume=22&rft.genre=article