Vidanapathirana, Ruvini Vegetable Collection Centres in Badulla and Moneragala Districts : Impacts and Lessons : Research Report : 168 - Hector Kobbekaduwa Agrarian Research and Training Institute Colombo 2014 - XII,55 p 26 cm ISBN: 9789556121681 Nat. Bib. Agency Control No.: 641.5 VID Subjects--Topical Terms: Specialized techniquesවිශේෂිත ශිල්ප ක්රම Dewey Class. No.: 641.5 / VID