Sarwar*, Amjad Usman, Maqsood Shah, Inam Rasheed, Syed Fahad Shah, Jawad, AND Numan Nasir, Muhammad Usman, Fazli Amin,. " 49. Screening of different insecticides against Helicoverpa armigera (Hubner) (Lepidoptera: Noctuidae) and its effect on yield of tomato crop" Pure and Applied Biology (PAB) [Online], Volume 8 Number 1 (1 March 2019)