000 00333cam a22001097a 4500
008 180718b1973 xxu||||| |||| 00| 0 eng d
082 _aP5 Un3
100 _aGall, A. le
245 _aPresent problems in the democratization of secondary and higer education
_cby A. le Gall...[et.al.]
260 _aParis
_bUnesco
_c1973
300 _a238p.
999 _c494693
_d494693