Alemu, Zemedkun, Ferdu Azerefegne, and Geremew Terefe. 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.