World development report 1991 : the challenge of development / The World Bank - Oxford : Oxford University Press, c1991. - ix,240 p. : - World development indicators . ISBN: 0195211073 LCCN: Subjects--Topical Terms: Economic developmentWorld development LC Class. No.: HC59.7 / .W659 1991 Dewey Class. No.: 330.91724 / W893