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1.	Image from Google Jackets Image from OpenLibrary	Ethics Of Environment an by "Engel, Ronald,J.(edi)" Material type: Text; Format: print ; Literary form: Not fiction Publication details: London ; Belhaven Press ; 1990 Availability: Items available for loan: IET Lucknow Central Library (1).
2.	Image from Google Jackets Image from OpenLibrary	Environental Threats: Pe by Brown Jennifer Material type: Text; Format: print ; Literary form: Not fiction Publication details: New York ; Belhaven Press ; 1989 Availability: Items available for loan: IET Lucknow Central Library (1).
3.	Image from Google Jackets Image from OpenLibrary	Environmental Problems by Johnston R J Material type: Text; Format: print ; Literary form: Not fiction Publication details: New York ; Belhaven Press ; 1989 Availability: Items available for loan: IET Lucknow Central Library (1).

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