1. Employee Development: A Strategic Approach to Learning and Development (with Beverly Kaye)
2. Performance Management: A Guide to Designing and Implementing Performance Management Systems (with Edward P. Wrapp and Michael L. Dyer)
3. Building Better HR Measurement: Lessons Learned from Best Practices (with John W. Boudreau)
4. Developing Talent: *Effective Human Resources Practices from the World’s Best Companies"
5. Succeeding in Business with Emotional Intelligence
6. Creating a Customer-Focused Organization: Put Your Customers at the Center of Your Business (with John H. Sheridan)
7. From HR Metrics to HR Analytics (with David W. Ulrich and Wayne F. Cascio)
8. The HRM Research Handbook (co-edited with Thomas A. Kochan and Jeffrey Pfeffer)
9. The T&D Handbook: A Guide for Human Resource Development (with Beverly Kaye)
10. The Oxford Handbook of Human Resource Management (co-edited with John W. Boudreau and George T. Milkovich)
In addition to these, Ragu has also published numerous articles in academic journals, such as the Harvard Business Review, Academy of Management Journal, and Journal of Applied Psychology. She is known for her research and expertise in the fields of human resource management, employee development, and organizational learning.