00414nam a2200145Ia 4500003000400000008004100004040001600045082001900061100001900080245006100099260004900160300001000209650002400219650002500243GCL140319s9999 xx 000 0 eng d aGCL / cGCL04a330.91724bS D1 aSIMPSON, E. S.10aTHE DEVELOPING WORLD: AN INTRODUCTION / cSIMPSON, E. S. a[S.N] : bLONGMAN GROUP UK LIMITED ، c1987 a360 P04aECONOMIC CONDITIONS04aDEVELOPING COUNTRIES