1. The effectiveness of orientation programs on professional competence and organizational commitment of newly graduated nurses in specialized health care: a systematic review protocol
2. Royse, D., Thyer, B.A. and Padgett, D.K. (2016) Program Evaluation: An Introduction to an Evidence-Based Approach. 6th Edition, Cengage.
3. Creswell, J.W. and Creswell, J.D. (2018) Research Design: Qualitative, Quantitative, and Mixed Methods Approaches. 5th Edition, Sage.
4. Maxwell, J.A. (2013) Qualitative research Design: An Interactive Approach. 3rd Edition, Sage.