Power James (1975) The History of Western Education. Macmillan, New York.
 Federal Negaret Gazette (1995) The Constitution of the Federal Democratic Republic of Ethiopia, Addis Ababa, Ethiopia.
 Transitional Government of Ethiopia (1993) National Policy on Ethiopian Women, Addis Ababa, Ethiopia.
 Patton, M.Q. (2002) Qualitative Research and Evaluation Methods. Sage, Thousand Oaks, CA.
 Mark, D., et al. (2002) Explaining Society, Critical Realism in the Social Sciences. Rutledge, London.
 Creswell, J. (2009) Qualitative Inquiry and Research Design. Sage, Thousands Oak, CA.