Azwana, A. and Sihotang, S. 2023. Utilization of Various Vegetable Insecticides to Control Grayak Caterpillars (Spodoptera litura) on Soybean (Glycine max L. Merrill) in Laboratory. Jurnal Penelitian Pendidikan IPA. 9, 6 (Jun. 2023), 4747–4752. DOI:https://doi.org/10.29303/jppipa.v9i6.3181.