000 00279nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aKrishnamurthy, R.C.
245 0 _aNetwork Based Teaching and Learning
260 _aDelhi
_bAuthorspress
_c2004
300 _a253p.
942 _cBK
999 _c15120
_d15120