000 00308nam a2200145Ia 4500
100 _aTalesra, Hemlata
020 _a81 7273 140 X
365 _b500
942 _cBK
654 _a
245 _aWeb-based learning
260 _aNew Delhi
_bAuthors Press
_c2003
082 _a371.334
300 _aviii,237
999 _c419013
_d419013
041 _aeng