000
00301nam a2200133 4500
020
_a
8120303024
082
_a
370.15
_b
SKI
100
_a
Skinner, Charles E
245
_a
Educational Psychology
250
_a
ed.4
260
_a
New Delhi
_b
Prentice Hall of India
_c
1959
300
_a
755p.
942
_c
BK
999
_c
248172
_d
248172