MacDonald, Lee H. Natural resources development in the Sahel : the role of the United Nations system / Lee H. MacDonald. - Tokyo, Japan : United Nations University (UNU) , 1986 - vi, 94p. : ill. ; 28 cm. - NRTS-20/UNUP-422 . Includes bibliographical references and index. ISBN: 9280804227 Subjects--Corporate Names: United Nations--Economic assistance Subjects--Topical Terms: Natural resources--Sahel Subjects--Geographic Terms: Sahel--Economic conditions Gov. Doc. Class. No.: UN U NRTS-20