SCIMA valintakori viitteet

lkm: 2
1.
Operations Research
1980 : MAY-JUN, VOL. 28:3 Part 1, p. 489-502
1980 Blackman, S. S.
Casey, J. W.
2.
Informacion Comercial Espanola
1989 : MAY, 669, p. 107-116
1989 Arnedo Orbananos, M. A.
SCIMA