000 00274nam a22001097a 4500
005 20180301100526.0
008 180301b xxu||||| |||| 00| 0 eng d
040 _cOC
100 _qValacich, Joseph S.
245 _aEssentials of systems analysis and design
942 _2ddc
_cBK
999 _c22147
_d22147