1. 1) Tomlin, C. D. S. (1997) The Pesticide Manual 11th ed., British Crop Protection Council, London, pp. 755-756.
2. Persistence and Efficacy of Spinosad Residues in Farm Stored Wheat
3. 3) Cox, C. (2003) Insecticide fact sheet malathion. J. Pest. Reform, 23, 10-15.
4. 4) Karunaratne, S. H. P. P. and Hemingway, J. (2001) Malathion resistance and prevalence of the malathion carboxylesterase mechanism in populations of mosquito vectors of disease in Sri Lanka. Bull. World Health Organ., 79, 1060-1064.
5. Analytical Method of Phoxim in Agricultural Products by GC-FPD and GC/MS (SIM)