PENGARUH PEMBERIAN EKTRAK DAUN KERSEN (Muntingia calabura) TERHADAP LALAT BUAH Bactrocera carambolae;THE INFLUENCE TO GIVING LEAF EXTRACT KERSEN (Muntingia calabura) AGAINST FRUIT FLIES Bactrocera carambolae. Al-Kauniyah J. Biol. 2016;9(2):139-143. doi:10.15408/kauniyah.v9i2.3924