000 00287nam a2200121Ia 4500
005 20260205042430.0
008 260111s9999||||xx |||||||||||||| ||und||
100 _aUNESCO
245 0 _aECONOMICS & SOCIAL ASPECTD OF EDUCATIONAL PLANNING
260 _c1964
300 _a264
942 _cBK
999 _c33540
_d33540