000
00257nam a22001217a 4500
003
OSt
100
_a
Bhattacharya, G C
245
_a
Adhyapak Shiksha
250
_a
7th ed.
260
_a
Agra
_b
Agarwal Publication
_c
2015
300
_a
532p.
942
_2
ddc
_c
BK
999
_c
4919
_d
4919