Effectiveness of Essential Oil and N-Hexane Extract of Beluntas Leaves as Natural Insecticides with Bioindicators of Hongkong Caterpillars: Efektivitas Minyak Atsiri dan Ekstrak N-Heksana Daun Beluntas sebagai Insektisida Alami dengan Bioindikator Ulat Hongkong. agrosainstek [Internet]. 2025 Jun. 30 [cited 2026 Jan. 7];9(1):1-10. Available from: https://agrosainstek.ubb.ac.id/index.php/agrosainstek/article/view/785