00401nam a2200145Ia 4500008004100000020001700041040002600058082001400084100002000098245005400118250001100172260005100183003000400234005001700238241217s9999||||xx |||||||||||||| ||und||  a850128234c0  bengcSSK Libraryerda  a003 WES.2  a Brian G.  West 0aNcc Systems Training: 7 Systems Design Techniques  a2nd ed  b The National Computing Centre Limitedc©1990OSt20241217112837.0