000 00308nam a2200133Ia 4500
100 _aR P Pathak
020 _a81-7487-297-3
654 _aEDUCATION
942 _cBK
245 _aNew dimensions of educational technology
260 _aRadha Publ, New Delhi
_c2003
082 _a371.33 Pat
300 _av,222p
999 _c25294
_d25294