Alemu, Z., Azerefegne, F., & Terefe, G. (2021). Sequential Application of Various Insecticides for the Management of Cotton Bollworm (Hubner) Helicoverpa armigera (Lepidoptera: Noctuidae) in Cotton Production. East African Journal of Sciences, 15(1), 41–50. https://doi.org/10.20372/eajs.v15i1.1393