000 00319nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c180
040 _aET
100 _aTiwari Ashish
245 0 _aSystem Analysis & Design
260 _bKamal Prakashan
_aIndore
300 _a256
500 _a50902
942 _cBK
999 _c56917
_d56917