1. Chemical control of African bollworm (Heliothis armigera) (Hubner) with ultra-low-volume sprays;Abate;Ethiopian J. Agric. Sci.,1981
2. Abate , T. A. Negasi 1982 Chemical control of American boll-worm (Heliothis armigera) (Hubner) with emulsifiable concentrate sprays on hot pepper