000 00516nam a22001932 4500
001 0000003178
005 20170406114819.0
008 140528s xx 000 0 eng d
020 _c$
040 _aYour Holding Symbol
_cYour Holding Symbol
100 1 _aGagne,Robert M.
245 1 0 _aPrinceples of instructional design.
250 _a2nd ed.
260 _aNew york :
_bHolt,
_c1974.
300 _a321 p. ;
_c cm.
504 _aindex.
650 0 _alearning psychology.
908 _a140528
999 _c3057
_d3057