000 00314nam a2200133Ia 4500
100 _aKrishnamurthy .R.C
020 _a81 7273 230 9
365 _bRs . 275 /-
942 _cBK
654 _a
245 _aEducational Technology Expanding Our Vision
260 _aDelhi
_bAuthors Press
_c2003
082 _a371. 394
999 _c416187
_d416187
041 _aeng