Dean Leffingwell, “Managing Software Requirements: A Unified Approach”
Publisher: Addison-Wesley Professional 1999 | 528 Pages | ISBN: 0201615932 | PDF | 7.37 MB
Despite the wealth of development knowledge, experience, and tools  generally available today, a substantial percentage of software projects   continue to fail, often because requirements are not correctly   determined and defined at the outset, or are not managed correctly as   the project unfolds.Publisher: Addison-Wesley Professional 1999 | 528 Pages | ISBN: 0201615932 | PDF | 7.37 MB
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