000 003220000a22001330004500
245 _aIntroducing systems analysis and design
100 _aLee, B., ed.
110 _aNational Computing Centre
260 _aManchester
_bNCC
_c1979
500 _avol.2
080 _a65.012.122:681.3
_bN3
041 _aEN
942 _cBK
999 _c115738
_d115738