LEADER 00000nam 2200181 a 4500 001 0610135 003 UkHlHU 007 t 008 001504 2 1968 000 eng 040 UkHlHU 050 4 LB 3011 G5 100 1 Gnagey, William J.,|d1927- 245 14 The psychology of discipline in the classroom. 260 New York :|bCollier-Macmillan,|c1968. 300 81p. 650 0 Classroom management. 946 020 absent -- ISBN check required
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