1. ISO/IEC/IEEE 29148-2018. Systems and software engineering - Life cycle processes - Requirements engineering.
2. Claus Pohl, Chris Rupp, “Requirements Engineering Fundamentals”, RockyNook, 2nd Edition.
3. Philip A. Laplante, “Requirements Engineering for Software and Systems”, CRC Press, 3rd Edition.
4. Karl Wiegers, Joy Beatty, “Software Requirements”, Microsoft Press, 3rd Edition.
5. Murali Chemuturi, “Requirements Engineering and Management for Software Development Projects”, Springer.
6. Other selected readings and research papers.