Weerakoon, L. Liyanage, C. ගොවි වන වගාව - 1 කොටස (govi wana wagawa) Agro-forestry - Sustainable Agricultural Research & Development Institute Rajagiriya 2007 - 16p. - Agro forestry Sri Lanka Nat. Bib. No.: P 3365 Nat. Bib. Agency Control No.: 633(548.7) WEE Subjects--Topical Terms: Agriculture Universal Decimal Class. No.: 633(548.7)