Dennis, Alan Systems analysis and design / Alan Dennis, Barbara Haley Wixom and Roberta M. Roth. - 6th ed. - - New Delhi: Wiley, c2015 (2016 printing). - xiv, 434 p. : ill. ; 26 cm. Includes bibliographies and index. ISBN: 978-81-265-6295-4 (pbk.) Subjects--Topical Terms: System analysis. System design.