2For a description of prototyping and the spiral model, see Roger S. Pressman, Software  A Practitioner's Approach, 3rd ed.
There is a 4th edition of the book Roger S. Pressman, Software A Practitioner's Approach, 3rd ed.
mnli hypothesis: There is a 4th edition of the book Roger S. Pressman, Software A Practitioner's Approach, 3rd ed. premise: 2For a description of prototyping and the spiral model, see Roger S. Pressman, Software  A Practitioner's Approach, 3rd ed.