WALE, M.; FENTIE, A. Settings Acyrthosiphon pisum (Harris) (Homoptera: Aphididae) infestation level and damage on grass pea, Lathyrus sativus L., in West Gojam, Ethiopia. Ethiopian Journal of Science and Technology, v. 6, n. 2, p. 69-77, 17 Jan. 2025.