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	1.	Image from Amazon.com	Using remote sensing techniques to evaluate lining efficacy of watercourses by Sakthivadivel, R Amarasinghe, Upali A Thiruvengadachari, S Series: Research Report 46 Publication details: Colombo IWMI 2001 Availability: Items available for reference: NARA Main Library: Not for loan (1). Save to lists Add to cart (remove)
	2.	Image from Amazon.com	Impact assessment of rehabilitation intervention in the Gal Oya left bank research report 18 by Amarasinghe, Upali, A Sakthivadivel, R Murray-Rust, Hammond Publication details: Colombo, IIMI, 1998 Availability: Items available for reference: NARA Main Library: Not for loan (1). Save to lists Add to cart (remove)