000
00303nam a2200121Ia 4500
100
_a
Gnagey, William J.
942
_c
BK
654
_a
245
_a
Psychology of discipline in the classroom
260
_a
New York
_b
Macmillan Publishing Company
_c
1968
082
_a
371.5
300
_b
Pb
_c
20.5cm
_a
ix,81
999
_c
403752
_d
403752
041
_a
eng