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1Published 1978### CRL customization ### ?> ### Add publisher and desc details ### ?>Colombo : People's Bank, Research Dept., 1978.86 p. : ill. ; 32 cm.“...Mahaweli River Watershed (Sri Lanka) Commerce....”
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2by Wanigaratne, R. D.### CRL customization ### ?> ### Add publisher and desc details ### ?>
Published 1979Colombo : Agrarian Research and Training Institute, 1979.v, 60 p. : map ; 30 cm.“...Mahaweli River Watershed (Sri Lanka) Social conditions....”
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3Published 1979### CRL customization ### ?> ### Add publisher and desc details ### ?>[Colombo] : Information Service, Ministry of Lands & Land Development and Mahaweli Development, 1979.xi, 124 p., [38] leaves of plates : ill., maps ; 26 cm.“...Mahaweli River Watershed (Sri Lanka) Economic conditions....”
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4Colombö, Sri Lanka : Information Service, Ministry of Lands and Land Development and the Ministry of Mahaweli Development,v. : ill. (some col.), col. maps. ; 25 cm.“...Mahaweli River Watershed (Sri Lanka) Economic conditions Periodicals....”