1. Badley, G. (2009). Publish and be doctor-rated: The Ph.D. by published work. Quality Assurance in Education: An International Journal, 17(4), 331–342.
2. Boice, R. (1990). Professors as writers: A self-help guide to productive writing. Stillwater, OK: New Forums Press.
3. Council of Graduate Schools in the United States. (1977). The doctor of philosophy degree: A policy statement. Washington, DC: Council of Graduate Schools.
4. Creswell, J. (2012). Qualitative inquiry and research design: Choosing among the five approaches (3rd ed.). Thousand Oaks, CA: Sage.
5. D’Andrea, L. M. (2002). Obstacles to completion of the doctoral degree in colleges of education: The professors’ perspective. Educational Research Quarterly, 25(3), 42–55.