000 00270nam a2200109Ia 4500
008 230411s9999 xx 000 0 und d
082 _a004.21 AWA
100 _aAWAD (Elias.M)
245 0 _aSystem Analysis and Design.
260 _bGALGOTIA
_aNEW DELHI
942 _cBK
999 _c5337
_d5337