000 00621nam a2200205Ia 4500
005 20250508160851.0
008 008 250505s9999 xx 000 0 eng d
020 _a0-07-074334-7
037 _aTextual
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a371.3, DAV
_qFEDL
100 _aDavis Robert H..(et.al).
_9769602
245 0 _aLearning system design : An approach to the impovement of instruction
260 _aNew York, USA
_bMcGraw-Hill Book Company
_c1974
300 _aix,342p
650 _aTeaching Technique
942 _cTEXL
_h371.3, DAV
999 _c1367077
_d1367077