000
00287nam a22001337a 4500
003
SGT
082
_a
370
_b
S16U
100
_a
UMA MANGAL
245
_a
SAMAJIK VIGYAN SHIKSHAN
260
_a
NEW DELHI
_b
ARYA BOOK DEPOT
_c
2016
300
_a
452
650
_a
EDUCATION
942
_2
ddc
_c
BK
_0
16
999
_c
12738
_d
12738