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1Published 1979### CRL customization ### ?> ### Add publisher and desc details ### ?>Colombo : Agrarian Research & Training Institute, 1979-1980.5 v. : ill. ; 30 cm.Subjects: “...Agriculture Economic aspects Sri Lanka....”
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2Published 1980### CRL customization ### ?> ### Add publisher and desc details ### ?>Colombo, Sri Lanka : Agrarian Research & Training Institute, 1980.ii, 127 p. : maps ; 30 cm.Subjects: “...Agriculture Economic aspects Sri Lanka North Central Province....”