00290nam a2200109Ia 450000500170000000800410001708200150005810000210007324500320009426000460012630000080017220260224041054.0260224s9999||||xx |||||||||||||| ||und||  a632.95 SHE  aSher Akbar Khan  4aThe pesticides biochemistry  aIslamabad: National Book Foundationc2007  a292