000 00487cam a22001457a 4500
008 180718b1973 xxu||||| |||| 00| 0 eng d
020 _a9231011227
082 _aP4x71 Un3c
100 _aThomas, Alan M.
245 _aChanges in secondary education and their implications for continuing education in Canada
_cby Alan M. Thomas and Naomi Diamond
260 _aParis
_bUnesco
_c1973
300 _a27p.
440 _aExperiments and innovations in education No.5
700 _aDiamond, Naomi
999 _c494586
_d494586