000 002910000a22001210004500
008 140223b1980 xxu||||| |||| 00| 0 eng d
041 _aEnglish
100 _a:D'HAINAUT(L)
245 _aEDUCATIONAL SYSTEMS REGULATION
260 _aPARIS
_bUNESCO
_c1980
650 _a
_a
906 _a:UNESCO
999 _c141874
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