00294nam a2200109Ia 4500008004100000082001500041100001900056245005800075250000900133260003400142300000800176240913s9999||||xx |||||||||||||| ||und||  a004  GRI/T  aGary Griffiths 4aThe essence of Structured Systems Analysis Techniques  aNULL  bPearson EducationaNULLc2011  a237