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	1.	River pollution : an ecological perspective / S.M. Haslam ; illustrated by Y. Bower. by Haslam, S. M. (Sylvia Mary), 1934- Material type: Text; Format: print ; Literary form: Not fiction Publication details: London ; New York : Belhaven Press, c1990 [reprinted 1991] Availability: Items available for loan: Central Library, KUET (1)Call number: 574.526323 HAS. Place hold Add to cart (remove)
	2.	Ecology and pollution of mountain waters : a case study of Bhagirathi River / Ashutosh Gautam. by Gautam, Ashutosh Material type: Text; Format: print ; Literary form: Not fiction Publication details: New Delhi : Ashish Pub. House, c1990 Availability: Items available for loan: Central Library, KUET (1)Call number: 574.52632309542 GAU. Place hold Add to cart (remove)
	3.	Rapid bioassessment of stream health [electronic resource] / editors, Duncan L. Hughes ... [et al.]. by Hughes, Duncan L Material type: Text; Format: electronic available online ; Literary form: Not fiction Publication details: Boca Raton : Taylor & Francis, 2010 Online access: Distributed by publisher. Purchase or institutional license may be required for access. Availability: No items available. Add to cart (remove)

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