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Pesticide Formulations as a Key Factor Affecting Chlorpyrifos-Ethyl and Lambda-Cyhalothrin Performance against Spodoptera littoralis (Boisd.)

Abdel-fattah S. A. Saad , El-Sayed H. M. Tayeb, Ahmed E. M. Omar, El-sayed M. Farag, Ayat F. M. Shams