000
00257nam a22001217a 4500
999
_c
38539
_d
38539
003
OSt
100
_a
Shrivastava, Roma
245
_a
Samajik Vigyan Shikshan
260
_a
Agra
_b
Aggarwal Pub.
_c
2015
300
_a
352p.
901
_a
6063BED
942
_2
ddc
_c
BK