Subasinghe, H.M.P.A. Bulath wagawa - Department of Agriculture Gannoruwa - Betel cultivation Sri Lanka = Subasinghe, H.M.P.A. Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: CD-088 Nat. Bib. Agency Control No.: lCD-088 Subjects--Topical Terms: Agriculture Universal Decimal Class. No.: 635(548.7)