Whitten, Jeffrey L. System analysis and design methods Jeffrey L. Whitten, Lonnie D. Bentley, special contribution by Kevin C. Dittman.. - 19th. ed.. - New Delhi Galgotia Pub. 2001 - xxii,724p.: ill.; 26 cm. Subjects--Topical Terms: System design. System analysis. Dewey Class. No.: 004.21 / W43S