000
003060000a22001210004500
008
140223b1989 xxu||||| |||| 00| 0 eng d
041
_a
English
100
_a
:UNESCO
245
_a
"BULLETIN" OF THE INTERNATIONAL BUREAU OF EDUCATION
260
_a
PARIS
_b
UNESCO
_c
1989
650
_a
_a
906
_a
:UNESCO
999
_c
132432
_d
132432