Gunasena, H.P.M. Multipurpose trees for food security - UP Peradeniya 1996 - 264 - Food Security = Multipurpose trees for food security Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: 5782 Nat. Bib. Agency Control No.: 575.3(548.7) MUL Subjects--Topical Terms: Biological Sciences Universal Decimal Class. No.: 575.3(548.7)