Problems of agricultural development / by P.G.H. Barter ; lectures assembled on the occasion of his retirement from the Food and Agriculture Organization of the United Nations. Barter, Philip George Haynes. Agriculture Economic aspects. Agriculture and state. 338.1 BAP Includes bibliographical references. Genève : Droz, 1966. 1966. 1966 Text 97 p. ; eng Travaux de droit, d'économie, de sociologie et de sciences politiques ; no 42 Travaux de droit, d'économie, de sociologie et de sciences politiques ; no 42.