Yudelman, Montague Technological change in agriculture and employment in developing countries / Montague Yudelman, Gavan Butler & Ranadev Banerji - Paris : OECD , 1971 - 204p. : ill. ; 24 cm. - OECD Development Centre studies employment series . Includes bibliographical references and index. Subjects--Topical Terms: Agricultural mechanizationAgricultural labour Dewey Class. No.: 631.3 / YUD