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	1.		Metropolitan environmental improvement program. Restoring Beira lake : an integrated urban environmental planning experience in Colombo, Sri Lanka Leonard Dissanayake, Ravi Pereira by Dissanayake, Lakshman Pereira, R Material type: Text Language: English Language Publication details: Washinton,DC MEIP 1996 Availability: Items available for reference: Main Library: Not for loan (1)Call number: 363.7 MET. Save to lists Add to cart (remove)
	2.		NDDCB handbook of drug abuse information Sri Lanka (1981-1989) Sri Lanka. National Dangerous Drugs Control Board, Ravi Pereira (comp.) by Sri Lanka, National Dangerous Drugs Control Board Pereira, R. (comp.) Material type: Text Language: English Language Publication details: Rajagiriya NDDCB 1991 Availability: Items available for reference: Main Library: Not for loan (1)Call number: 363.45 SRI. Save to lists Add to cart (remove)
	3.		Science and technology in environment by Pereira, R Material type: Text Publication details: Rajagiriya National Science and Technology Commission ( NASTEC ) 2000 Availability: Items available for reference: Main Library: Not for loan (1). Save to lists Add to cart (remove)

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