Kerr, M. M., & Nelson, C. M. (1989). Strategies for managing behavior problems in the classroom (2nd ed.). Merrill.
Chicago Style (17th ed.) CitationKerr, Mary M., and C. Michael Nelson. Strategies for Managing Behavior Problems in the Classroom. 2nd ed. Columbus: Merrill, 1989.
ציטוט MLAKerr, Mary M., and C. Michael Nelson. Strategies for Managing Behavior Problems in the Classroom. 2nd ed. Merrill, 1989.
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