Hemachandra, D.Wijerathne, B.Weerahewa, J.2014-11-122014-11-122008Tropical Agricultural Research, 20:p.419-423https://dl.nsf.gov.lk/handle/1/12136EconomicsTrade agreementsSouth Asian Regional Trade AgreementsSAPTAFood productsAgricultural productsPreferential tariftsAgricultural economicsAnalysisAnalysis of margins of perferences for food and agricultural products provided by South Asian Regional Trade Agreements :Sri Lankan perspectiveA