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999 _c58923
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020 _a90805
082 _a375
_bTHO
_223
100 _aThomas, Alan M.
100 _aDiamond, Naomi
245 _aChanges in secondary education and their implications for continuing education in Cananda /
_cAlan M. Thomas, Naomi Diamond
260 _aIBE
_bUnesco
_c1973
300 _aix, 26 p.-
440 _aexperiments and innovations in education No-5
650 _aSecondary education
942 _cS