000 00289nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aKrishnamurthy, R.C.
245 0 _aEducational Technology ; Expending Our Vision
260 _aDelhi
_bAuthorspress
_c2003
300 _a356p.
942 _cBK
999 _c13667
_d13667