People's democratic Republic of Yemen : a review of Economic and social development. - Washington, D. C. : The World Bank, 1979. - 169 p. : tbl. ; 24 cm. Subjects--Geographic Terms: Yemen--Economic conditions.Yemen--Ekonomik koşullar.Yemen--Economic policy.Yemen--Ekonomik politika. Dewey Class. No.: 338.9533 / PEO 1979