El-Zahi S. El-Zahi. "Signs on The Persistence And Effectiveness of Some Novel Insecticides Against Spodoptera littoralis (Boisduval) on Different Host Plants". Egyptian Academic Journal of Biological Sciences, F. Toxicology & Pest Control, 7, 1, 2015, 105-113. doi: 10.21608/eajbsf.2015.17245