TY - BOOK AU - Valacich,Joseph S. AU - George,Joey F. AU - Hoffer,Jeffrey A. TI - Essentials of systems analysis and design SN - 812323122 U1 - 003 PY - 2004/// CY - New Delhi PB - Prentice-Hall of India KW - System design KW - System analysis N1 - Includes bibliographical references and index ER -