A Use Case Approach Leffingwell, Dean. creator Widrig, Don. text Boston Addison Wesley Professional c2003 2nd ed. monographic xxxvii, 502 pages : Illustrations ; Includes index. Computer Software - development - management Use cases (systems engineering) Computer software Systems engineering - management Computers sofware - management QA 76.76 LEF 032112247X 9780321122476 http://VH7QX3XE2P.search.serialssolutions.com/?V=1.0&L=VH7QX3XE2P&S=JCs&C=TC0000076195&T=marc&tab=BOOKS https://www.safaribooksonline.com/library/view/title/032112247X/?ar?orpq&email=^u https://www.safaribooksonline.com/library/view/-/032112247X/?ar?orpq&email=^u https://learning.oreilly.com/library/view/~/032112247X/?ar?orpq&email=^u http://VH7QX3XE2P.search.serialssolutions.com/?V=1.0&L=VH7QX3XE2P&S=JCs&C=TC0000076195&T=marc&tab=BOOKS https://www.safaribooksonline.com/library/view/title/032112247X/?ar?orpq&email=^u https://www.safaribooksonline.com/library/view/-/032112247X/?ar?orpq&email=^u https://learning.oreilly.com/library/view/~/032112247X/?ar?orpq&email=^u