Lord, R. F. Economic aspects of mechanised farming at Nachingwea in the southern province of Tanganyika / R. F. Lord - London : Her Majesty's Stationery Office , 1963 - 191p. : ill. ; 25 cm. Includes bibliographical references and index. Subjects--Topical Terms: Agriculture--TanganyikaEconomic aspectsFarm mechanizationMechanization Dewey Class. No.: 631.3 / LOR