000 00360nam a22001451a 4500
999 _c150873
_d150873
020 _a9788122408331
082 _a371.33
_bKLK/E
100 _aKumar K L
245 _aEducational technology/
_cby Kumar K L.
260 _aNew Delhi:
_bNew Age International,
_c1996.
300 _a337p.
650 _aEducation technology
650 _aEducation
942 _cBK