1. 1. Adams, L. A., & Callahan, T. (1998). Research ethics. Ethics in Medicine. USA: University of Washington, School of Medicine. Available at: https://depts.washington.edu/bioethx/topics/resrch.html (2018-12-16).
2. 2. Adelle, C., & Weiland, S. (2012). Policy assessment: the state of the art. Impact Assessment and Project Appraisal, 30(1): 25–33.
3. 3. Akaranga, S I., & Makau, B. K. (2016). Ethical Considerations and their Applications to Research: a Case of the University of Nairobi. Journal of Educational Policy and Entrepreneurial Research, 3(12), 1-9. Available at: https://profiles.uonbi.ac.ke/kuria_paul/files/429-825-2-pb.pdf (2018-12-16).
4. 4. American Sociological Association (2011). Available at: http://www.asanet.org/about/ethics.cfm (2018-12-17).
5. 5. Association of Social Anthropologists (1999). Ethical Guidelines for Good Research Practice. ASA Ethics. Available at: https://www.theasa.org/ethics/guidelines.shtml (2018-08-31).