00302nam a2200121 a 450000500170000000800410001703500190005810000210007722200190009824500310011730000100014836200220015820210219153244.0991125n                      000 0 spa u  aUPN01000086225  aQuintero, Lazaro  aEDUCACION 2000  aLos Maestros Van al Recreo  a40-41  a1999 Vol.5, No.52