000 00276nam a2200121Ia 4500
100 _aSampath .K
942 _cBK
654 _a
245 _aIntroduction to educational technology
260 _aNew Delhi
_bSterling Publishers
_c1984
082 _a371. 3
300 _c22 .3 cm
999 _c405095
_d405095
041 _aeng