Koha online catalog › Results of search for 'au:Siriwardena, P.P.G.S.N.'

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	1.	No cover image available Tolerance of Early Life Stages of Tilapia (Cichlidae:Tilapiini) to Metal Stress by Siriwardena, P.P.G.S.N. Publication: Scotland, University of Stirling, 1993 . 250p. 28cm. Date: 1993 Availability: No items available: Add to cart (remove)
	2.	No cover image available Survey on Aquaculture ( Phase ii) Sri Lanka by Siriwardena, P.P.G.S.N. Publication: Colombo 15, Nara, . 70p. 36.5cm. Availability: Items available: Reference (1), Place hold Add to cart (remove)
	3.	No cover image available Some Aspect of Ecological Monitoring of Puttalam Lagoon in Relation to Shrimp Farming by Siriwardena, P.P.G.S.N. Publication: . 25p. Availability: Items available: Reference (1), Place hold Add to cart (remove)

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