000 00272nam a22001217a 4500
008 170925b xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a37
100 _a46
101 _aEDU
245 _aPRINCIPLES OF INSTRUCTIONAL DESIGN
_cGAGNE,R.M
942 _2udc
_cBK
999 _c29723
_d29723