000 00662nam a2200205 a 4500
005 20210219160152.0
008 080922s1976 mx r 000 0 spa d
020 _a9232013894
035 _aUPN01000160029
049 _aUNE
080 _a027.8 =20 GUI No.22.
245 0 0 _aGuide for the conversion of school libraries into media centres.
260 _aParis :
_bUNESCO,
_c1976.
_bUNESCO,
_c1976.
300 _a62 p.;
_bretrs., fot.
440 0 _aEducational studies and documents. new series; 22
690 _aBibliotecas escolares- EnseƱanza secundaria
690 _aEnseƱanza secundaria- Bibliotecas escolares
710 2 _aUNESCO
905 _aUNESCO
999 _c132143
_d132143