Selwyn, Percy The dual economy transcending national frontiers: the case of industrial development in Lesotho / Percy Selwyn - Brighton : Institute of Development Studies, 1974 - 24p : 30 cm. - IDS, communication series . Includes bibliographical references and index. Subjects--Topical Terms: Dual economyindustrial developmentBoundaries Gov. Doc. Class. No.: GB Sus.U IDS Com-105