1. Allen, V. L. (Ed.). Children as teachers. New York: Academic Press, 1976.
2. Allen, V. L., & Feldman, R. S. Learning through tutoring: Low-achieving children as tutors. Journal of Experimental Education, 1974, 42, 1–5.
3. Apolloni, T., Cooke, T. P., Shores, R. E., & Simberg, S. Adult and child directed social behavior training: Trained and generalized outcomes. Journal of Special Education Technology, 1978, 1, 12–20.
4. Balmer, J. Project tutor: Look. I can do something good. Teaching Exceptional Children, 1972, 4(4), 166–175.
5. Bean, R., & Luke, C. As a teacher Tve been learning. Journal of Reading, 1972, 16, 128–132.