STUDY OF HERBAL TOPICAL REPELLENT MADE OF BETEL LEAVES (Piper betle) AND PATCHOULI OIL (Pogostemon cablin) MIXTURE AGAINST YELLOW FEVER MOSQUITO (Aedes aegypti). BIOTROPIA. 2015;22(1):45-51. doi:10.11598/btb.2015.22.1.378