000 00360nam a2200145Ia 4500
005 20260205054429.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a371.3 W119T
100 _aWadhwa , Shalini
245 0 _aTeaching learning and studying
260 _aNew Delhi
_bSarup & sons
_c2005
300 _a233p.
690 _aTeaching
942 _cBK
999 _c138313
_d138313