000 00517nam a2200181Ia 4500
001 7233
003 Ost
005 20260507155001.0
008 251113s9999||||xx |||||||||||||| ||eng||
040 _cnitttr
041 _aeng
082 _a153.15
_bA26L
100 _aDavis, Robert H.
245 0 _aLearning system design :
_b an approach to the improvement of instruction /
_cDavis, Robert H., Alexander, Lawrance T., Yelon, Stephen
700 _a Alexander, Lawrance T.
700 _a Yelon, Stephen
942 _cBK
999 _c7128
_d7128