00373nam a22001577a 45000010005000000030010000050050017000150400014000320080041000460200018000871000026001052450023001312600025001543000011001796500025001907801MX-SIABUC20260702203814.0  aMX-SIABUC050615s1993    mx x   j            spa d  a968-452-612-140aSerra Rojas, Andrés0 aLiberalismo social4 aMéxico :bPorrúa4 a540 p.  a1.LIBERALISMO SOCIAL