Bollington, R., Hopkins, D., & West, M. (1990). An introduction to teacher appraisal: A professional development approach. Cassell.
Chicago Style aipamenaBollington, Rob, David Hopkins, and Mel West. An Introduction to Teacher Appraisal: A Professional Development Approach. London: Cassell, 1990.
MLA aipamenaBollington, Rob, et al. An Introduction to Teacher Appraisal: A Professional Development Approach. Cassell, 1990.
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