000 00315nam a2200121Ia 4500
100 _aUNESCO
020 _a92-3-101557-5
942 _cBK
654 _a
245 _aBasic services for the children
_bA continuing search for learning priorities
260 _aParis
_bUnited Nations educational
_c1978
082 _a361
999 _c381273
_d381273
041 _aeng