000 00334 a2200133 4500
020 _a0335143423
082 _a004.21
_bWID
090 _c5445
_d7328
245 _aWider horizons
_bunit 3 software design
260 _aWalton
_bOpen University
_c1994
_g1994
300 _a42p.
_c27cm.
650 _aSYSTEMS ANALYSIS AND DESIGN
942 _cL
999 _c34317
_d34317