000
00255nam a2200109Ia 4500
008
220201s2019 xx 000 0 eng d
100
_a
VERMA, A.P.
245
0
_a
OPERATION MANAGEMENT
260
_a
DELHI
_b
S.K. KATARIA
_c
2019
300
_a
142
942
_2
ddc
999
_c
69524
_d
69524