2019. The Effectiveness of Papaya Leaf Extract (Carica papayaL.) Against Aphidsspin Tomato (Solanum lycopersicum) Plantation in the Natural Fence Area of South Sumatra. Jurnal Biota. 5, 2 (Dec. 2019), 110–117. DOI:https://doi.org/10.19109/Biota.v5i2.2661.