The 1+3 Software Quality Model was first introduced in What is Software Quality? as a conceptual framework. In this book, it is further developed into a practical system for understanding, measuring, and improving software quality.

The 1+3 Software Quality Model

• Publisher: Independently Published (2026)
• Language: English
• Paperback : 76 pages
• ISBN-13 : 9798195653354
• Dimensions : 15.24 x 2.46 x 22.86 cm