000 00295cam a22001097a 4500
008 180718b1964 xxu||||| |||| 00| 0 eng d
082 _aP000 Un3e
245 _aEconomic and social aspects d educational planning
_cby UNESCO
260 _aFrance
_bUNESCO
_c1964
300 _a263p.
700 _aUNESCO
999 _c495332
_d495332