TY - BOOK AU - Valacich,Joseph S. AU - George,Joey F. AU - Hoffer,Jeffrey A. TI - Essentials of systems analysis and design SN - 8120323122 AV - QA76.9.S88 V345 2004 PY - 2004/// CY - Upper Saddle River PB - Pearson Prentice Hall KW - System design KW - System analysis N1 - Includes bibliographical references and index ER -