000
00308nam a22001457a 4500
999
_c
1221
_d
1221
020
_a
..
082
_a
150
_b
MAN
100
_a
Mangal , S.K.
245
_a
Educational Psychology
250
_a
1 st ed.
260
_a
Ludhiana
_b
Parkash Brothers
_c
1980
300
_a
512p.
654
_a
Psychology
942
_c
BK