Muhammad Dzikri Almahdi Hasibuan, Hilwa Walida, Badrul Ainy Dalimunthe, & Siti Hartati Yusida Saragih. (2026). THE EFFECTIVENESS OF INSECTICIDE APPLICATION WITH ACTIVE INGREDIENT CYPERMETHRIN ON THE INTENSITY OF ATTACKS BY Oryctes rhinoceros L. ON OIL PALM PLANTS ( Elaeis guineensis Jacq.) HAS NOT YET PRODUCED RESULTS. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET), 5(8). https://doi.org/10.5281/zenodo.23493421