Natural resources development in the Sahel : the role of the United Nations system - MacDonald, Lee H. (Tokyo, Japan : The United Nations University, 1986)
"NRTS-20/UNUP-422"
Keywords: RECURSOS NATURALES -- SAHEL (AFRICA OCCIDENTAL); NACIONES UNIDAS -- ASISTENCIA ECONOMICA; SAHEL (AFRICA OCCIDENTAL) -- CONDICIONES ECONOMICAS