000 003040000a22001210004500
008 140223b1989 xxu||||| |||| 00| 0 eng d
041 _aEnglish
100 _a:UNESCO
245 _aBULLETIN OF THE INTERNATIONAL BUREAU OF EDUCATION
260 _aAUTHOR
_bPARIS
_c1989
650 _a
_a
906 _a:AUTHOR
999 _c132290
_d132290