000
00274nam a2200133Ia 4500
100
_a
Rai, B. C.
365
_b
10
942
_c
BK
654
_a
245
_a
Educational psychology
260
_a
Lucknow
_b
Prakashan Kendra
_c
1970
082
_a
370.15
300
_a
viii,594
999
_c
415513
_d
415513
041
_a
eng