Valacich, Joseph S. 1959- creator George, Joey F. Hoffer, Jeffrey A. text New Delhi PHI Learning 2012 5th ed monographic xxviii, 417p. : 28cm(pbk) ill. by Joseph S. Valacich, Joey F. George [and] Jeffrey A. Hoffer Includes bibliographical references and index. System design System analysis 003 9788120345584 ENG-104890 DBAD/PUB Janvani Prakashan/Ven dpl 20130710115545.0