000 00310nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c250
040 _aET
100 _aDURGESH P.K.
245 0 _aNUMERICAL ABILITY
260 _bEXCELLENT BOOKS
_aDELHI
300 _a128
500 _a47845
942 _cBK
999 _c53860
_d53860