00385nam a2200133Ia 450000500170000008000180001710000280003524500910006326000350015430000140018958300190020394200120022299900170023420260716043059.0  a01.02.01 C352  aCastillo, Carlos Manuel  aEconomic integration of Central America in its next stage : problems and opportunities  bINTAL,aBuenos Aires :ARc1986  aiv, 79 p.  c3/7/00kM2LMGR  cMmC352  c39942d39942