Gunasena, H.P.M. Multipurpose tree species in Sri Lanka: research and development : proceeding of the fourth regional workshop on multipurpose tree species - 1993 - viii,222,tables,maps - Agriculture Forestry = Multipurpose tree species in Sri Lanka Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: P 2865 Nat. Bib. Agency Control No.: 575.3/7(548.7)MUL Subjects--Topical Terms: Biological sciences Universal Decimal Class. No.: 575.3/7(548.7)