1. Arnold, W.R. (1976, Summer). A comparison of achievement in mathematics education of on-campus and off-campus graduate students.Colorado Journal of Educational Research, 15 (4), 18?19.
2. Austin, T.L. & Fennell, R.R. (1985, Spring). The measurement of learning among juvenile probation officers in a graduate research course.The PAPPC Journal, 4 (1), 50?59.
3. Borg, W.R. & Gall, M.D. (1979).Educational research, 3rd edition. New York: Longman pp. 211?216.
4. Luckner, J.F. & Sileo, T.W. (1984, Fall-Winter). A comparative study of off-campus and on-campus master of arts degree programs in learning disabilities and emotional disturbances.Innovative Higher Education, 9 (1), 42?47.
5. Mangana, J. & Carrado, T. (1985). Re-entry adult students: Needs and implications.NASPA Forum, (1), 5.