1. Barrett, H. (1994) Technology-supported Portfolio Assessment The Computing Teacher, 21(6), pp. 9 - 12.
2. Baume, D. and Yorke, M. (2002) The Reliability of Assessment by Portfolio on a Course to evelop and Accredit Teachers in Higher Education Studies in Higher Education, 27, pp. 8 - 25.
3. Bell, M.(2002) . In Developmental Peer Observation Strengths. . Wollongong : University of Wollongong.
4. Biddle, J. and Lasley, T.(1991). Portfolios and the Process of Teacher Education. Chicago. In Paper presented at the Annual Meeting of the American Educational Research Association[ pp. ] . .
5. Chappell, D. and Schermerhorn, J. (1999) Using Electronic Student Portfolios in Management Education: a stakeholder perspective Journal of Management Education, 23, pp. 651 - 662.