000
00310nam a2200133Ia 4500
008
220201s2021 xx 000 0 eng d
082
_a
658
_b
GUP
100
_a
GUPTA, C B
245
0
_a
INTEReference NATIONAL BUSINESS/-
250
_a
1st
260
_b
S CHAND
_a
DELHI
_c
2021
300
_a
300p.
942
_2
ddc
_0
4
999
_c
2520
_d
2520