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	1.		Trees planting and environmental conservation by Dalvi, M K Ghosh, R C Series: Extension series ; 6 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Dehra Dun: Forest Research Institute & Colleges, 1980 Availability: Items available for reference: National Science Library: Not for loan (1)Call number: 634.02 M0. Add to cart (remove)
	2.		Engineering bulletin: Proceedings of the tenth industrial waste conference / Purdue University Series: Extension series ; 89 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Purdue: Lafayette Ind., 1955 Availability: Items available for reference: National Science Library: Not for loan (1)Call number: 66.002.6 J5. Add to cart (remove)
	3.		Engineering bulletin: Proceedings of the seventh industrial waste conference / Purdue University Series: Extension series ; 79 Material type: Text; Format: print ; Literary form: Not fiction Publication details: Purdue: Lafayette Ind., 1952 Availability: Items available for reference: National Science Library: Not for loan (1)Call number: 66.019 J2. Add to cart (remove)

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