000 00295nam a2200121Ia 4500
100 _aSampath & others
942 _cBK
245 _aIntroduction to educational technology
260 _aNew Delhi
_bSterling Pub Pvt. Ltd
_c1981
082 _a371.3
_bSam
300 _aviii,292
546 _aEnglish
999 _c337665
_d337665
041 _aeng