000 00483nam a22001577a 4500
999 _c6892
_d6892
008 200930b ||||| |||| 00| 0 eng d
020 _a0574180303
040 _cddc
082 _222
_a371.102
100 _aBecker,Wesley C.
245 _aTeaching 2: cognitive learning and instruction
_cBecker,Wesley C,Siegfried Engelmann and Don R.Thomas
260 _atoronto
_bscience researh associates
_c1975
300 _aviii,263p.
_bill.:
_c25cm
500 _ainclude index
942 _2ddc
_cBK