Vegetable production and marketing in the Nuwara-Eliya District
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詳しい情報
出版社: Hector Kobbekaduwa Agrarian Research and Training Institute(1999)
ISBN-10: 9556120416 ISBN-13: 9789556120417
出版社: Hector Kobbekaduwa Agrarian Research and Training Institute(1999)
ISBN-10: 9556120416 ISBN-13: 9789556120417