... TRANSACTIONS ON SOFTWARE ENGINEERING. VOL. 15, NO. 7, JULY 1989 Theory-W Software Project Management: Principles and Examples BARRY W. BOEHM, SENIOR MEMBER, IEEE, AND RONY ROSS Abstract-A good software ... the key steps and guidelines underlying the Theory W statement and its two subsidiary principles: plan the flight and fly the plan; and, identify and manage your n’sks. Several examples illustrate ... Index T‘ertns -Project management, software case studies, softvvare development, software maintenance, software management, software personnel management, software planning and control. I....