000 00391nam a2200133Ia 4500
008 211215s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aFry, E B
245 0 _aTeaching machines and programmed instruction an introduction.
260 _bMCGRAW-HILL BOOK COMPANY, INC.
_aLONDON
_c1963
300 _a240 p p.
653 _aEDUCATION
942 _c1
999 _c84896
_d84896