00513nam a2200157Ia 4500008004100000020005500041040000800096082002100104100002400125245003500149260000900184264002300193942001300216952010900229999001700338231129s1986||||xx |||||||||||||| ||spa||  a958-606-005-5                                       bspa  a333.009861 M149p  aMachado C.  Absalon 0aProblemas agrarios colombianos  c1986  aSiglo XXI Editores  2ddccBKS  00102ddc4070aBRCbBRCd2009-07-09l0o333.009861 M149pp8775r2023-11-29 21:29:07t1w2023-11-29yBK  c23254d23254