Ginting, S., M. Chozin, and S. Sudjatmiko. “Infestation of Helicoverpa Armigera (Hubner) and Ostrinia Furnacalis Guenee on Three Tropical Altitude Variations”. Jurnal Hama Dan Penyakit Tumbuhan Tropika, vol. 23, no. 1, Jan. 2023, pp. 31-37, doi:10.23960/jhptt.12331-37.