000
00270nam a2200121Ia 4500
008
220201s1990 xx 000 0 eng d
082
_a
0
_b
Reference AT
100
_a
Reference athnam,P.V.
245
0
_a
Costing theory .
260
_c
1990
300
_a
760
942
_2
ddc
999
_c
6815
_d
6815