000 00295nam a2200121Ia 4500
999 _c18464
_d18464
100 _aSampath K
245 _aIntroduction to Educational Technology
250 _a3
260 _c1990
_bSTERLING PUBLISHERS
_aNew Delhi
300 _axii+348
700 _aPanneerselvam A
_aSanthanam S
942 _cBK