The Effectiveness of Beneficial Plants in Oil Palm (Elaeis guineensis Jacq.) Area in Reducing the Attack Rate of Oil Palm Leaf-Eating Caterpillar (oplec) at PT. Socfindo Mata Pao Gardens. Petrop [Internet]. 2024 Feb. 8 [cited 2026 Feb. 4];10(2):51-7. Available from: https://idjpcr.usu.ac.id/jpt/article/view/12068