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035 _a(OCoLC)14709393
040 _aDOA
_cDOA
049 _aPUXA
090 _aLB2846
_b.R4
245 0 0 _aResumen estadístico de la Unesco.
260 0 _aParis
_bUnesco,
300 _av.
_c21 cm.
650 0 _aEducational statistics
_xPeriodicals.
_2Local
_990548
650 0 _aIntellectual life
_xStatistics
_xPeriodicals.
_2Local
_9115228
710 2 0 _aUnesco.
_2Local
_9182778
999 _c147678
_d147678