000 00608nam a2200181 a 4500
005 20210223130633.0
008 080924s1990 mx r 000 0 spa d
020 _a9231027042
035 _aUPN01000160728
049 _aUNE
080 _aOC 37 (100) =20 "1990" INN
100 1 _aTanguiane, Sema
_938035
245 0 0 _aInternational yearbook of education volume XLII-1990 :
_bliteracy and illiteracy in the world ; situation, trends and prospects /
_cSema Tanguiane.
260 _aParis :
_bUNESCO;
_aGeneva,
_bIBE,
_c1990.
300 _a163 p.
690 _aAlfabetizacion- Analfabetismo
905 _aUNESCO
999 _c132841
_d132841