HARAHAP, S.; HARAHAP, R. Effect of Biopesticide Application in Suppressing the Population of Onion Caterpillar Pests (Spodoptera exigua L) in Shallot Plants (Allium ascalonikum L). JERAMI : Indonesian Journal of Crop Science, v. 6, n. 1, p. 1-6, 31 dez. 2023.