000 00298nam a2200121Ia 4500
100 _aAgarwal, L.P.
020 _a81-788-242-6
942 _cBK
245 _aModern education research
260 _aDominant Publishers and Distributors, New Delhi
_cc2005
082 _a370.78 Aga
300 _axiv,310p
999 _c44997
_d44997