000
00217nam a22000977a 4500
100
_a
Goyal,Chhavi
245
_a
Learning edge social science-8
260
_a
Delhi
_b
Eduline Pub.
_c
2017
300
_a
312p.
942
_2
ddc
_c
BK
999
_c
1791
_d
1791