Rupasena, L.P. Production and Marketing of Vegetables - 60p - Hector Kobbakaduwa Agrarian Reasearch and Training Institute Colombo 1999 - LK - Fertilizer Vegetable Consumption Marketing Pproblems ISBN: 955-612-035-1 Nat. Bib. No.: P 2332 Nat. Bib. Agency Control No.: 633(548.7)RUP Subjects--Topical Terms: Agriculture Universal Decimal Class. No.: 633(548.7) 1