000 00322nam a2200133Ia 4500
100 _aR C Krishnamurthy
020 _a81-7273-122-1
654 _aEDUCATION
942 _cBK
245 _aEducational technology expanding our vision
260 _aAuthorspress, New Delhi
_cc2003
082 _a371.33 Kri
300 _avi,328p
999 _c26684
_d26684