000 00350nam a2200145Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e125237
_aMAIN
041 _aEnglish
082 _a371.3028 D2E
100 _aOberoi, S C
245 0 _aEducational Technology
260 _aNew Delhi
_bArya Book Depot
_c2007
300 _a468 p.
942 _cBK
999 _c148004
_d148004