000 00280nam a2200121Ia 4500
100 _aKulkarni, S S
942 _cBK
245 _aIntroduction to educational technology
260 _aDelhi
_bOxford & IBH
_c1986
082 _a371.394
_bKul
300 _ax,2,480
546 _aEnglish
999 _c337671
_d337671
041 _aeng