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024 _a47285
037 _cTextual
040 _aCRL
_cCRL
_beng
041 _2eng
_aeng
082 _aT:(F), L7
100 _aHills Philp
_9598387
245 0 _aSpread of educational technology
260 _aLondon
_bLondon Kogan Pages
_c1971
300 _a474p
_ccm.
490 _aAspects of educational technology, 11) .
650 _aEDUCATION
700 _a Gilbert John ,Ed
_9598388
942 _hT:(F), L7
_cTEXL
_2cc
999 _c963603
_d963603