000 00573nam a2200193Ia 4500
005 20250619144932.0
008 250619s9999||||xx |||||||||||||| ||und||
020 _a0070743347
_c
_22.95
040 _aMAIN
041 _aEnglish
082 _a370.1523
_bDAV
100 _aDavis, Robert H., Alexander, Lawrence T. and Yelon, Stephen L.
245 0 _aLearning system design
_b: an approach to the improvement of instruction
260 _aSingapore
_b; Mcgraw Hill Book Company
_c, 1974
300 _aix,342P.
650 _aEducation
650 _aLearning
942 _cBK
999 _c116510
_d116510